15313145 has 16 divisors (see below), whose sum is σ = 19440000. Its totient is φ = 11547648.

The previous prime is 15313139. The next prime is 15313157. The reversal of 15313145 is 54131351.

It is a cyclic number.

It is not a de Polignac number, because 15313145 - 2⁸ = 15312889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15313145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33881 + ... + 34329.

It is an arithmetic number, because the mean of its divisors is an integer number (1215000).

Almost surely, 2^15313145 is an apocalyptic number.

It is an amenable number.

15313145 is a deficient number, since it is larger than the sum of its proper divisors (4126855).

15313145 is a wasteful number, since it uses less digits than its factorization.

15313145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 900, while the sum is 23.

The square root of 15313145 is about 3913.2013748337. The cubic root of 15313145 is about 248.3255836908.

Adding to 15313145 its reverse (54131351), we get a palindrome (69444496).

The spelling of 15313145 in words is "fifteen million, three hundred thirteen thousand, one hundred forty-five".