45020980 has 12 divisors (see below), whose sum is σ = 94544100. Its totient is φ = 18008384.

The previous prime is 45020951. The next prime is 45021007. The reversal of 45020980 is 8902054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17205904 + 27815076 = 4148^2 + 5274^2 .

It is a congruent number.

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, 1125505 + ... + 1125544.

It is an arithmetic number, because the mean of its divisors is an integer number (7878675).

Almost surely, 2^45020980 is an apocalyptic number.

It is an amenable number.

45020980 is an abundant number, since it is smaller than the sum of its proper divisors (49523120).

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

45020980 is a wasteful number, since it uses less digits than its factorization.

45020980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251058 (or 2251056 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 45020980 is about 6709.7675071496. The cubic root of 45020980 is about 355.7445986175.

The spelling of 45020980 in words is "forty-five million, twenty thousand, nine hundred eighty".