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144352532 = 22128927997
BaseRepresentation
bin10001001101010…
…10010100010100
3101001121212110002
420212222110110
5243423240112
622153550432
73401655602
oct1046522424
9331555402
10144352532
1174535215
1240415418
1323ba24cc
1415258872
15ca161c2
hex89aa514

144352532 has 12 divisors (see below), whose sum is σ = 252821940. Its totient is φ = 72117696.

The previous prime is 144352511. The next prime is 144352553. The reversal of 144352532 is 235253441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144352511) and next prime (144352553).

It can be written as a sum of positive squares in 2 ways, for example, as 127328656 + 17023876 = 11284^2 + 4126^2 .

It is a super-2 number, since 2×1443525322 = 41675306989622048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144352495 and 144352504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8843 + ... + 19154.

It is an arithmetic number, because the mean of its divisors is an integer number (21068495).

Almost surely, 2144352532 is an apocalyptic number.

It is an amenable number.

144352532 is a deficient number, since it is larger than the sum of its proper divisors (108469408).

144352532 is a wasteful number, since it uses less digits than its factorization.

144352532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29290 (or 29288 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 144352532 is about 12014.6798542450. The cubic root of 144352532 is about 524.5756595305.

Subtracting 144352532 from its reverse (235253441), we obtain a palindrome (90900909).

The spelling of 144352532 in words is "one hundred forty-four million, three hundred fifty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 1289 2578 5156 27997 55994 111988 36088133 72176266 144352532