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145425241245 = 3561879156677
BaseRepresentation
bin1000011101110000000…
…1010001010010011101
3111220100221020200122010
42013130001101102131
54340312330204440
6150450223341433
713335526104114
oct2073401212235
9456327220563
10145425241245
1156746837199
1224226751879
131093785c10b
147077d84c7b
153bb2175580
hex21dc05149d

145425241245 has 16 divisors (see below), whose sum is σ = 232685631360. Its totient is φ = 77558380224.

The previous prime is 145425241237. The next prime is 145425241249. The reversal of 145425241245 is 542142524541.

It is not a de Polignac number, because 145425241245 - 23 = 145425241237 is a prime.

It is a super-2 number, since 2×1454252412452 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145425241249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849847 + ... + 1006523.

It is an arithmetic number, because the mean of its divisors is an integer number (14542851960).

Almost surely, 2145425241245 is an apocalyptic number.

145425241245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145425241245 is a deficient number, since it is larger than the sum of its proper divisors (87260390115).

145425241245 is a wasteful number, since it uses less digits than its factorization.

145425241245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218564.

The product of its digits is 256000, while the sum is 39.

Adding to 145425241245 its reverse (542142524541), we get a palindrome (687567765786).

The spelling of 145425241245 in words is "one hundred forty-five billion, four hundred twenty-five million, two hundred forty-one thousand, two hundred forty-five".

Divisors: 1 3 5 15 61879 156677 185637 309395 470031 783385 928185 2350155 9695016083 29085048249 48475080415 145425241245