15313332145 has 16 divisors (see below), whose sum is σ = 18490202640. Its totient is φ = 12174624000.

The previous prime is 15313332107. The next prime is 15313332157. The reversal of 15313332145 is 54123331351.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1231237921 + 14082094224 = 35089^2 + 118668^2 .

It is not a de Polignac number, because 15313332145 - 2⁹ = 15313331633 is a prime.

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, 1541695 + ... + 1551595.

It is an arithmetic number, because the mean of its divisors is an integer number (1155637665).

Almost surely, 2^15313332145 is an apocalyptic number.

It is an amenable number.

15313332145 is a deficient number, since it is larger than the sum of its proper divisors (3176870495).

15313332145 is a wasteful number, since it uses less digits than its factorization.

15313332145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796.

The product of its digits is 16200, while the sum is 31.

Adding to 15313332145 its reverse (54123331351), we get a palindrome (69436663496).

The spelling of 15313332145 in words is "fifteen billion, three hundred thirteen million, three hundred thirty-two thousand, one hundred forty-five".