45171660 has 24 divisors (see below), whose sum is σ = 126480816. Its totient is φ = 12045760.

The previous prime is 45171617. The next prime is 45171667. The reversal of 45171660 is 6617154.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (45171667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376371 + ... + 376490.

It is an arithmetic number, because the mean of its divisors is an integer number (5270034).

Almost surely, 2^45171660 is an apocalyptic number.

It is an amenable number.

45171660 is an abundant number, since it is smaller than the sum of its proper divisors (81309156).

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

45171660 is a wasteful number, since it uses less digits than its factorization.

45171660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752873 (or 752871 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 45171660 is about 6720.9865347284. The cubic root of 45171660 is about 356.1410353113.

The spelling of 45171660 in words is "forty-five million, one hundred seventy-one thousand, six hundred sixty".