45987252 has 24 divisors (see below), whose sum is σ = 109329696. Its totient is φ = 15039648.

The previous prime is 45987251. The next prime is 45987257. The reversal of 45987252 is 25278954.

It is a super-2 number, since 2×45987252² = 4229654693023008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45987251) 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, 35518 + ... + 36789.

It is an arithmetic number, because the mean of its divisors is an integer number (4555404).

Almost surely, 2^45987252 is an apocalyptic number.

It is an amenable number.

45987252 is an abundant number, since it is smaller than the sum of its proper divisors (63342444).

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

45987252 is a wasteful number, since it uses less digits than its factorization.

45987252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72367 (or 72365 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 45987252 is about 6781.3901229763. The cubic root of 45987252 is about 358.2716849897.

The spelling of 45987252 in words is "forty-five million, nine hundred eighty-seven thousand, two hundred fifty-two".