45812168 has 8 divisors (see below), whose sum is σ = 85897830. Its totient is φ = 22906080.

The previous prime is 45812167. The next prime is 45812189. The reversal of 45812168 is 86121854.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 357604 = 6742^2 + 598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (45812167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2863253 + ... + 2863268.

Almost surely, 2^45812168 is an apocalyptic number.

It is an amenable number.

45812168 is a deficient number, since it is larger than the sum of its proper divisors (40085662).

45812168 is a wasteful number, since it uses less digits than its factorization.

45812168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726527 (or 5726523 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 45812168 is about 6768.4686598964. The cubic root of 45812168 is about 357.8164326322.

The spelling of 45812168 in words is "forty-five million, eight hundred twelve thousand, one hundred sixty-eight".