45171173908 has 18 divisors (see below), whose sum is σ = 91955604426. Its totient is φ = 19359074448.

The previous prime is 45171173899. The next prime is 45171173947. The reversal of 45171173908 is 80937117154.

It can be written as a sum of positive squares in only one way, i.e., 26473893264 + 18697280644 = 162708^2 + 136738^2 .

It is a super-3 number, since 3×45171173908³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115232391 + ... + 115232782.

Almost surely, 2^45171173908 is an apocalyptic number.

It is an amenable number.

45171173908 is an abundant number, since it is smaller than the sum of its proper divisors (46784430518).

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

45171173908 is a wasteful number, since it uses less digits than its factorization.

45171173908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230465191 (or 230465182 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 45171173908 in words is "forty-five billion, one hundred seventy-one million, one hundred seventy-three thousand, nine hundred eight".