45252252 has 36 divisors (see below), whose sum is σ = 114594480. Its totient is φ = 15056832.

The previous prime is 45252241. The next prime is 45252253. The reversal of 45252252 is 25225254.

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

It is a super-2 number, since 2×45252252² = 4095532622143008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45252253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33649 + ... + 34967.

It is an arithmetic number, because the mean of its divisors is an integer number (3183180).

Almost surely, 2^45252252 is an apocalyptic number.

It is an amenable number.

45252252 is an abundant number, since it is smaller than the sum of its proper divisors (69342228).

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

45252252 is a wasteful number, since it uses less digits than its factorization.

45252252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2277 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 45252252 is about 6726.9794112960. The cubic root of 45252252 is about 356.3527098126.

The spelling of 45252252 in words is "forty-five million, two hundred fifty-two thousand, two hundred fifty-two".