172145075564310 has 32 divisors (see below), whose sum is σ = 413192402104320. Its totient is φ = 45900440067168.

The previous prime is 172145075564291. The next prime is 172145075564353. The reversal of 172145075564310 is 13465570541271.

It is a super-2 number, since 2×172145075564310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 306803580 + ... + 307364159.

It is an arithmetic number, because the mean of its divisors is an integer number (12912262565760).

Almost surely, 2^{172145075564310} is an apocalyptic number.

172145075564310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172145075564310 is an abundant number, since it is smaller than the sum of its proper divisors (241047326540010).

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

172145075564310 is a wasteful number, since it uses less digits than its factorization.

172145075564310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614177092.

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 172145075564310 in words is "one hundred seventy-two trillion, one hundred forty-five billion, seventy-five million, five hundred sixty-four thousand, three hundred ten".