45212564 has 12 divisors (see below), whose sum is σ = 79451988. Its totient is φ = 22512000.

The previous prime is 45212527. The next prime is 45212567. The reversal of 45212564 is 46521254.

45212564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38962564 + 6250000 = 6242^2 + 2500^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45212567) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22487 + ... + 24414.

It is an arithmetic number, because the mean of its divisors is an integer number (6620999).

Almost surely, 2^45212564 is an apocalyptic number.

It is an amenable number.

45212564 is a deficient number, since it is larger than the sum of its proper divisors (34239424).

45212564 is a wasteful number, since it uses less digits than its factorization.

45212564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47146 (or 47144 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 45212564 is about 6724.0288518120. The cubic root of 45212564 is about 356.2485009068.

The spelling of 45212564 in words is "forty-five million, two hundred twelve thousand, five hundred sixty-four".