15128450 has 24 divisors (see below), whose sum is σ = 28243728. Its totient is φ = 6028880.

The previous prime is 15128441. The next prime is 15128471. The reversal of 15128450 is 5482151.

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 11 ways as a sum of consecutive naturals, for example, 21809 + ... + 22491.

It is an arithmetic number, because the mean of its divisors is an integer number (1176822).

Almost surely, 2^15128450 is an apocalyptic number.

15128450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15128450 is a deficient number, since it is larger than the sum of its proper divisors (13115278).

15128450 is a wasteful number, since it uses less digits than its factorization.

15128450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 15128450 is about 3889.5308200347. The cubic root of 15128450 is about 247.3231740406.

The spelling of 15128450 in words is "fifteen million, one hundred twenty-eight thousand, four hundred fifty".