45311252 has 24 divisors (see below), whose sum is σ = 90914880. Its totient is φ = 19356480.

The previous prime is 45311251. The next prime is 45311261. The reversal of 45311252 is 25211354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45311251) 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, 6824 + ... + 11712.

It is an arithmetic number, because the mean of its divisors is an integer number (3788120).

Almost surely, 2^45311252 is an apocalyptic number.

It is an amenable number.

45311252 is an abundant number, since it is smaller than the sum of its proper divisors (45603628).

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

45311252 is a wasteful number, since it uses less digits than its factorization.

45311252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231 (or 5229 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 45311252 is about 6731.3633091670. The cubic root of 45311252 is about 356.5075137407.

The spelling of 45311252 in words is "forty-five million, three hundred eleven thousand, two hundred fifty-two".