45307232173 has 16 divisors (see below), whose sum is σ = 54512149120. Its totient is φ = 36785969856.

The previous prime is 45307232153. The next prime is 45307232177. The reversal of 45307232173 is 37123270354.

It is a cyclic number.

It is not a de Polignac number, because 45307232173 - 2⁹ = 45307231661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45307232177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260811 + ... + 1296247.

It is an arithmetic number, because the mean of its divisors is an integer number (3407009320).

Almost surely, 2^45307232173 is an apocalyptic number.

It is an amenable number.

45307232173 is a deficient number, since it is larger than the sum of its proper divisors (9204916947).

45307232173 is a wasteful number, since it uses less digits than its factorization.

45307232173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45076.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 45307232173 in words is "forty-five billion, three hundred seven million, two hundred thirty-two thousand, one hundred seventy-three".