45012552 has 32 divisors (see below), whose sum is σ = 121188480. Its totient is φ = 13849920.

The previous prime is 45012523. The next prime is 45012581. The reversal of 45012552 is 25521054.

It is a happy number.

45012552 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 (45012523) and next prime (45012581).

It is a super-2 number, since 2×45012552² = 4052259675105408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 71824 + ... + 72447.

It is an arithmetic number, because the mean of its divisors is an integer number (3787140).

Almost surely, 2^45012552 is an apocalyptic number.

It is an amenable number.

45012552 is an abundant number, since it is smaller than the sum of its proper divisors (76175928).

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

45012552 is a wasteful number, since it uses less digits than its factorization.

45012552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144293 (or 144289 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45012552 is about 6709.1394381098. The cubic root of 45012552 is about 355.7223985781.

The spelling of 45012552 in words is "forty-five million, twelve thousand, five hundred fifty-two".