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144451142225 = 521337107131857
BaseRepresentation
bin1000011010000111110…
…1011000001001010001
3111210212001022022222122
42012201331120021101
54331313443022400
6150205425144025
713302430310225
oct2064175301121
9453761268878
10144451142225
11562969a4185
1223bb448b015
1310810ac0270
146dc485a785
153b568ad685
hex21a1f58251

144451142225 has 96 divisors (see below), whose sum is σ = 201724338816. Its totient is φ = 101914675200.

The previous prime is 144451142183. The next prime is 144451142267. The reversal of 144451142225 is 522241154441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144451142183) and next prime (144451142267).

It is not a de Polignac number, because 144451142225 - 26 = 144451142161 is a prime.

It is a super-2 number, since 2×1444511422252 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 168553997 + ... + 168554853.

It is an arithmetic number, because the mean of its divisors is an integer number (2101295196).

Almost surely, 2144451142225 is an apocalyptic number.

It is an amenable number.

144451142225 is a deficient number, since it is larger than the sum of its proper divisors (57273196591).

144451142225 is a wasteful number, since it uses less digits than its factorization.

144451142225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1150 counting only the distinct ones).

The product of its digits is 51200, while the sum is 35.

Adding to 144451142225 its reverse (522241154441), we get a palindrome (666692296666).

The spelling of 144451142225 in words is "one hundred forty-four billion, four hundred fifty-one million, one hundred forty-two thousand, two hundred twenty-five".

Divisors: 1 5 13 25 37 65 107 131 185 325 481 535 655 857 925 1391 1703 2405 2675 3275 3959 4285 4847 6955 8515 11141 12025 14017 19795 21425 24235 31709 34775 42575 51467 55705 63011 70085 91699 98975 112267 121175 158545 182221 257335 278525 315055 350425 412217 458495 518629 561335 792725 911105 1192087 1286675 1459471 1575275 2061085 2292475 2593145 2806675 3392863 4153879 4555525 5960435 6742177 7297355 10305425 12012569 12965725 16964315 20769395 29802175 33710885 36486775 44107219 54000427 60062845 84821575 103846975 156163397 168554425 220536095 270002135 300314225 444465053 780816985 1102680475 1350010675 2222325265 3904084925 5778045689 11111626325 28890228445 144451142225