45210552 has 16 divisors (see below), whose sum is σ = 113026440. Its totient is φ = 15070176.

The previous prime is 45210551. The next prime is 45210593. The reversal of 45210552 is 25501254.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1883773 = 45210552 / (4 + 5 + 2 + 1 + 0 + 5 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45210551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941863 + ... + 941910.

Almost surely, 2^45210552 is an apocalyptic number.

It is an amenable number.

45210552 is an abundant number, since it is smaller than the sum of its proper divisors (67815888).

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

45210552 is a wasteful number, since it uses less digits than its factorization.

45210552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883782 (or 1883778 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45210552 is about 6723.8792374640. The cubic root of 45210552 is about 356.2432163682.

The spelling of 45210552 in words is "forty-five million, two hundred ten thousand, five hundred fifty-two".