45315252 has 36 divisors (see below), whose sum is σ = 114818340. Its totient is φ = 15069312.

The previous prime is 45315241. The next prime is 45315271. The reversal of 45315252 is 25251354.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35354916 + 9960336 = 5946^2 + 3156^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17088 + ... + 19560.

Almost surely, 2^45315252 is an apocalyptic number.

It is an amenable number.

45315252 is an abundant number, since it is smaller than the sum of its proper divisors (69503088).

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

45315252 is a wasteful number, since it uses less digits than its factorization.

45315252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992 (or 2987 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 45315252 is about 6731.6604192428. The cubic root of 45315252 is about 356.5180040569.

The spelling of 45315252 in words is "forty-five million, three hundred fifteen thousand, two hundred fifty-two".