15147140 has 24 divisors (see below), whose sum is σ = 32260032. Its totient is φ = 5972960.

The previous prime is 15147109. The next prime is 15147169. The reversal of 15147140 is 4174151.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3914 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (1344168).

Almost surely, 2^15147140 is an apocalyptic number.

15147140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15147140 is an abundant number, since it is smaller than the sum of its proper divisors (17112892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15147140 is a wasteful number, since it uses less digits than its factorization.

15147140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10747 (or 10745 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 15147140 is about 3891.9326818433. The cubic root of 15147140 is about 247.4249815151.

The spelling of 15147140 in words is "fifteen million, one hundred forty-seven thousand, one hundred forty".