45821900 has 18 divisors (see below), whose sum is σ = 99433740. Its totient is φ = 18328720.

The previous prime is 45821891. The next prime is 45821933. The reversal of 45821900 is 912854.

It is a super-2 number, since 2×45821900² = 4199293039220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229010 + ... + 229209.

Almost surely, 2^45821900 is an apocalyptic number.

It is an amenable number.

45821900 is an abundant number, since it is smaller than the sum of its proper divisors (53611840).

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

45821900 is a wasteful number, since it uses less digits than its factorization.

45821900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458233 (or 458226 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 45821900 is about 6769.1875435683. The cubic root of 45821900 is about 357.8417681353.

The spelling of 45821900 in words is "forty-five million, eight hundred twenty-one thousand, nine hundred".