15641152 has 14 divisors (see below), whose sum is σ = 31038038. Its totient is φ = 7820544.

The previous prime is 15641149. The next prime is 15641183. The reversal of 15641152 is 25114651.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14258176 + 1382976 = 3776^2 + 1176^2 .

It is a nialpdrome in base 16.

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 as a sum of consecutive naturals, namely, 122133 + ... + 122260.

Almost surely, 2^15641152 is an apocalyptic number.

It is an amenable number.

15641152 is a deficient number, since it is larger than the sum of its proper divisors (15396886).

15641152 is an equidigital number, since it uses as much as digits as its factorization.

15641152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244405 (or 244395 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 15641152 is about 3954.8896318355. The cubic root of 15641152 is about 250.0861143339.

The spelling of 15641152 in words is "fifteen million, six hundred forty-one thousand, one hundred fifty-two".