45164052 has 18 divisors (see below), whose sum is σ = 114164778. Its totient is φ = 15054672.

The previous prime is 45164011. The next prime is 45164057. The reversal of 45164052 is 25046154.

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 5171076 = 6324^2 + 2274^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45164057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 627243 + ... + 627314.

Almost surely, 2^45164052 is an apocalyptic number.

It is an amenable number.

45164052 is an abundant number, since it is smaller than the sum of its proper divisors (69000726).

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

45164052 is a wasteful number, since it uses less digits than its factorization.

45164052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254567 (or 1254562 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 45164052 is about 6720.4205225566. The cubic root of 45164052 is about 356.1210399342.

The spelling of 45164052 in words is "forty-five million, one hundred sixty-four thousand, fifty-two".