45021152 has 48 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 20192640.

The previous prime is 45021107. The next prime is 45021161. The reversal of 45021152 is 25112054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26999 + ... + 28617.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^45021152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45021152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48988800).

45021152 is an abundant number, since it is smaller than the sum of its proper divisors (52956448).

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

45021152 is a wasteful number, since it uses less digits than its factorization.

45021152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 45021152 is about 6709.7803242729. The cubic root of 45021152 is about 355.7450516507.

The spelling of 45021152 in words is "forty-five million, twenty-one thousand, one hundred fifty-two".