172888860145 has 16 divisors (see below), whose sum is σ = 213927884352. Its totient is φ = 134066470720.

The previous prime is 172888860139. The next prime is 172888860161. The reversal of 172888860145 is 541068888271.

It is not a de Polignac number, because 172888860145 - 2⁵ = 172888860113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172888860145.

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, 3908191 + ... + 3952180.

It is an arithmetic number, because the mean of its divisors is an integer number (13370492772).

Almost surely, 2^172888860145 is an apocalyptic number.

It is an amenable number.

172888860145 is a deficient number, since it is larger than the sum of its proper divisors (41039024207).

172888860145 is an equidigital number, since it uses as much as digits as its factorization.

172888860145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860512.

The product of its (nonzero) digits is 6881280, while the sum is 58.

The spelling of 172888860145 in words is "one hundred seventy-two billion, eight hundred eighty-eight million, eight hundred sixty thousand, one hundred forty-five".