15157144 has 8 divisors (see below), whose sum is σ = 28419660. Its totient is φ = 7578568.

The previous prime is 15157139. The next prime is 15157147. The reversal of 15157144 is 44175151.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15157147) by changing a digit.

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 as a sum of consecutive naturals, namely, 947314 + ... + 947329.

Almost surely, 2^15157144 is an apocalyptic number.

It is an amenable number.

15157144 is a deficient number, since it is larger than the sum of its proper divisors (13262516).

15157144 is a wasteful number, since it uses less digits than its factorization.

15157144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894649 (or 1894645 counting only the distinct ones).

The product of its digits is 2800, while the sum is 28.

The square root of 15157144 is about 3893.2176923465. The cubic root of 15157144 is about 247.4794405260.

The spelling of 15157144 in words is "fifteen million, one hundred fifty-seven thousand, one hundred forty-four".