45420892 has 48 divisors (see below), whose sum is σ = 89510400. Its totient is φ = 19992960.

The previous prime is 45420871. The next prime is 45420899. The reversal of 45420892 is 29802454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45420899) 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, 253659 + ... + 253837.

It is an arithmetic number, because the mean of its divisors is an integer number (1864800).

Almost surely, 2^45420892 is an apocalyptic number.

It is an amenable number.

45420892 is a deficient number, since it is larger than the sum of its proper divisors (44089508).

45420892 is a wasteful number, since it uses less digits than its factorization.

45420892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 45420892 is about 6739.5023555156. The cubic root of 45420892 is about 356.7948301549.

The spelling of 45420892 in words is "forty-five million, four hundred twenty thousand, eight hundred ninety-two".