152661632 has 32 divisors (see below), whose sum is σ = 322025220. Its totient is φ = 71839744.

The previous prime is 152661629. The next prime is 152661643. The reversal of 152661632 is 236166251.

It can be written as a sum of positive squares in 2 ways, for example, as 152374336 + 287296 = 12344^2 + 536^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 32903 + ... + 37254.

Almost surely, 2^152661632 is an apocalyptic number.

It is an amenable number.

152661632 is an abundant number, since it is smaller than the sum of its proper divisors (169363588).

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

152661632 is an equidigital number, since it uses as much as digits as its factorization.

152661632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70188 (or 70176 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 152661632 is about 12355.6315904935. The cubic root of 152661632 is about 534.4535509939.

The spelling of 152661632 in words is "one hundred fifty-two million, six hundred sixty-one thousand, six hundred thirty-two".