45513252 has 30 divisors (see below), whose sum is σ = 118981478. Its totient is φ = 15170976.

The previous prime is 45513241. The next prime is 45513263. The reversal of 45513252 is 25231554.

It is a happy number.

45513252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45513241) and next prime (45513263).

It can be written as a sum of positive squares in only one way, i.e., 35928036 + 9585216 = 5994^2 + 3096^2 .

It is a super-2 number, since 2×45513252² = 4142912215231008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69913 + ... + 70560.

Almost surely, 2^45513252 is an apocalyptic number.

It is an amenable number.

45513252 is an abundant number, since it is smaller than the sum of its proper divisors (73468226).

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

45513252 is a wasteful number, since it uses less digits than its factorization.

45513252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140489 (or 140478 counting only the distinct ones).

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

The square root of 45513252 is about 6746.3510136962. The cubic root of 45513252 is about 357.0365049882.

The spelling of 45513252 in words is "forty-five million, five hundred thirteen thousand, two hundred fifty-two".