45423168 has 56 divisors (see below), whose sum is σ = 137355072. Its totient is φ = 12977664.

The previous prime is 45423163. The next prime is 45423181. The reversal of 45423168 is 86132454.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (45423163) 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, 15555 + ... + 18242.

Almost surely, 2^45423168 is an apocalyptic number.

45423168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45423168 is an abundant number, since it is smaller than the sum of its proper divisors (91931904).

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

45423168 is a wasteful number, since it uses less digits than its factorization.

45423168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33819 (or 33809 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 45423168 is about 6739.6712085976. The cubic root of 45423168 is about 356.8007896113.

The spelling of 45423168 in words is "forty-five million, four hundred twenty-three thousand, one hundred sixty-eight".