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144044450 = 25211229821
BaseRepresentation
bin10001001010111…
…11000110100010
3101001001012211122
420211133012202
5243333410300
622143212242
73366233444
oct1045370642
9331035748
10144044450
1174344800
12402a7082
1323ac5204
14151b8494
15c9a4c85
hex895f1a2

144044450 has 72 divisors (see below), whose sum is σ = 305019540. Its totient is φ = 50512000.

The previous prime is 144044447. The next prime is 144044489. The reversal of 144044450 is 54440441.

It can be written as a sum of positive squares in 6 ways, for example, as 37810201 + 106234249 = 6149^2 + 10307^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 175040 + ... + 175860.

Almost surely, 2144044450 is an apocalyptic number.

144044450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144044450 is an abundant number, since it is smaller than the sum of its proper divisors (160975090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144044450 is a wasteful number, since it uses less digits than its factorization.

144044450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 144044450 is about 12001.8519404299. The cubic root of 144044450 is about 524.2022047542.

Adding to 144044450 its reverse (54440441), we get a palindrome (198484891).

The spelling of 144044450 in words is "one hundred forty-four million, forty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 29 50 55 58 110 121 145 242 275 290 319 550 605 638 725 821 1210 1450 1595 1642 3025 3190 3509 4105 6050 7018 7975 8210 9031 15950 17545 18062 20525 23809 35090 41050 45155 47618 87725 90310 99341 119045 175450 198682 225775 238090 261899 451550 496705 523798 595225 993410 1190450 1309495 2483525 2618990 2880889 4967050 5761778 6547475 13094950 14404445 28808890 72022225 144044450