173485250605157 has 4 divisors (see below), whose sum is σ = 173497634461740. Its totient is φ = 173472866748576.

The previous prime is 173485250605141. The next prime is 173485250605169. The reversal of 173485250605157 is 751506052584371.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52907962773796 + 120577287831361 = 7273786^2 + 10980769^2 .

It is a cyclic number.

It is not a de Polignac number, because 173485250605157 - 2⁴ = 173485250605141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 173485250605096 and 173485250605105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173485250605187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6191907278 + ... + 6191935295.

It is an arithmetic number, because the mean of its divisors is an integer number (43374408615435).

Almost surely, 2^{173485250605157} is an apocalyptic number.

It is an amenable number.

173485250605157 is a deficient number, since it is larger than the sum of its proper divisors (12383856583).

173485250605157 is a wasteful number, since it uses less digits than its factorization.

173485250605157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12383856582.

The product of its (nonzero) digits is 35280000, while the sum is 59.

The spelling of 173485250605157 in words is "one hundred seventy-three trillion, four hundred eighty-five billion, two hundred fifty million, six hundred five thousand, one hundred fifty-seven".