15128452 has 12 divisors (see below), whose sum is σ = 26553100. Its totient is φ = 7541856.

The previous prime is 15128441. The next prime is 15128471. The reversal of 15128452 is 25482151.

It can be written as a sum of positive squares in 2 ways, for example, as 7096896 + 8031556 = 2664^2 + 2834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15128452.

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 3 ways as a sum of consecutive naturals, for example, 4023 + ... + 6814.

Almost surely, 2^15128452 is an apocalyptic number.

It is an amenable number.

15128452 is a deficient number, since it is larger than the sum of its proper divisors (11424648).

15128452 is a wasteful number, since it uses less digits than its factorization.

15128452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190 (or 11188 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 15128452 is about 3889.5310771351. The cubic root of 15128452 is about 247.3231849394.

The spelling of 15128452 in words is "fifteen million, one hundred twenty-eight thousand, four hundred fifty-two".