45252052452 has 18 divisors (see below), whose sum is σ = 114387132678. Its totient is φ = 15084017472.

The previous prime is 45252052441. The next prime is 45252052453. The reversal of 45252052452 is 25425025254.

45252052452 is a `hidden beast` number, since 45 + 2 + 520 + 52 + 45 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34131084516 + 11120967936 = 184746^2 + 105456^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×45252052452² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1257001457 = 45252052452 / (4 + 5 + 2 + 5 + 2 + 0 + 5 + 2 + 4 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (45252052453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628500693 + ... + 628500764.

Almost surely, 2^45252052452 is an apocalyptic number.

It is an amenable number.

45252052452 is an abundant number, since it is smaller than the sum of its proper divisors (69135080226).

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

45252052452 is a wasteful number, since it uses less digits than its factorization.

45252052452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257001467 (or 1257001462 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 45252052452 in words is "forty-five billion, two hundred fifty-two million, fifty-two thousand, four hundred fifty-two".