45562820 has 12 divisors (see below), whose sum is σ = 95681964. Its totient is φ = 18225120.

The previous prime is 45562819. The next prime is 45562831. The reversal of 45562820 is 2826554.

It can be written as a sum of positive squares in 2 ways, for example, as 25060036 + 20502784 = 5006^2 + 4528^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139051 + ... + 1139090.

It is an arithmetic number, because the mean of its divisors is an integer number (7973497).

Almost surely, 2^45562820 is an apocalyptic number.

It is an amenable number.

45562820 is an abundant number, since it is smaller than the sum of its proper divisors (50119144).

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

45562820 is a wasteful number, since it uses less digits than its factorization.

45562820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278150 (or 2278148 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 45562820 is about 6750.0237036621. The cubic root of 45562820 is about 357.1660728528.

The spelling of 45562820 in words is "forty-five million, five hundred sixty-two thousand, eight hundred twenty".