15173077807145 has 64 divisors (see below), whose sum is σ = 18852057676800. Its totient is φ = 11718486743040.

The previous prime is 15173077807127. The next prime is 15173077807207. The reversal of 15173077807145 is 54170877037151.

It is a happy number.

It is not a de Polignac number, because 15173077807145 - 2¹⁰ = 15173077806121 is a prime.

It is a super-2 number, since 2×15173077807145² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4880370851 + ... + 4880373959.

It is an arithmetic number, because the mean of its divisors is an integer number (294563401200).

Almost surely, 2^{15173077807145} is an apocalyptic number.

It is an amenable number.

15173077807145 is a deficient number, since it is larger than the sum of its proper divisors (3678979869655).

15173077807145 is a wasteful number, since it uses less digits than its factorization.

15173077807145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530.

The product of its (nonzero) digits is 5762400, while the sum is 56.

The spelling of 15173077807145 in words is "fifteen trillion, one hundred seventy-three billion, seventy-seven million, eight hundred seven thousand, one hundred forty-five".