152638532 has 12 divisors (see below), whose sum is σ = 267210300. Its totient is φ = 76292736.

The previous prime is 152638523. The next prime is 152638559. The reversal of 152638532 is 235836251.

It can be written as a sum of positive squares in 2 ways, for example, as 131423296 + 21215236 = 11464^2 + 4606^2 .

It is a super-2 number, since 2×152638532² = 46597042902230048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152638492 and 152638501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12344 + ... + 21392.

It is an arithmetic number, because the mean of its divisors is an integer number (22267525).

Almost surely, 2^152638532 is an apocalyptic number.

It is an amenable number.

152638532 is a deficient number, since it is larger than the sum of its proper divisors (114571768).

152638532 is a wasteful number, since it uses less digits than its factorization.

152638532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13270 (or 13268 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 152638532 is about 12354.6967587230. The cubic root of 152638532 is about 534.4265926818.

The spelling of 152638532 in words is "one hundred fifty-two million, six hundred thirty-eight thousand, five hundred thirty-two".