45021052 has 24 divisors (see below), whose sum is σ = 82557440. Its totient is φ = 21455280.

The previous prime is 45021037. The next prime is 45021059. The reversal of 45021052 is 25012054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45021059) 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, 5599 + ... + 11017.

Almost surely, 2^45021052 is an apocalyptic number.

It is an amenable number.

45021052 is a deficient number, since it is larger than the sum of its proper divisors (37536388).

45021052 is a wasteful number, since it uses less digits than its factorization.

45021052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521 (or 5519 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 45021052 is about 6709.7728724600. The cubic root of 45021052 is about 355.7447882594.

The spelling of 45021052 in words is "forty-five million, twenty-one thousand, fifty-two".