45171688 has 16 divisors (see below), whose sum is σ = 86295780. Its totient is φ = 22159488.

The previous prime is 45171667. The next prime is 45171689. The reversal of 45171688 is 88617154.

It can be written as a sum of positive squares in 2 ways, for example, as 44328964 + 842724 = 6658^2 + 918^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45171688.

It is not an unprimeable number, because it can be changed into a prime (45171689) 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, 52845 + ... + 53692.

Almost surely, 2^45171688 is an apocalyptic number.

It is an amenable number.

45171688 is a deficient number, since it is larger than the sum of its proper divisors (41124092).

45171688 is a wasteful number, since it uses less digits than its factorization.

45171688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106596 (or 106592 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 45171688 is about 6720.9886177556. The cubic root of 45171688 is about 356.1411088969.

The spelling of 45171688 in words is "forty-five million, one hundred seventy-one thousand, six hundred eighty-eight".