15140464 has 20 divisors (see below), whose sum is σ = 29492656. Its totient is φ = 7529472.

The previous prime is 15140449. The next prime is 15140471. The reversal of 15140464 is 46404151.

It is a zygodrome in base 2.

It is a congruent number.

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, 637 + ... + 5539.

Almost surely, 2^15140464 is an apocalyptic number.

It is an amenable number.

15140464 is a deficient number, since it is larger than the sum of its proper divisors (14352192).

15140464 is a wasteful number, since it uses less digits than its factorization.

15140464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 15140464 is about 3891.0749157527. The cubic root of 15140464 is about 247.3886258750.

The spelling of 15140464 in words is "fifteen million, one hundred forty thousand, four hundred sixty-four".