45264521 has 4 divisors (see below), whose sum is σ = 45369492. Its totient is φ = 45159552.

The previous prime is 45264511. The next prime is 45264547. The reversal of 45264521 is 12546254.

45264521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1849600 + 43414921 = 1360^2 + 6589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45264521 is a prime.

It is a super-2 number, since 2×45264521² = 4097753722718882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45264511) 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, 51836 + ... + 52701.

It is an arithmetic number, because the mean of its divisors is an integer number (11342373).

Almost surely, 2^45264521 is an apocalyptic number.

It is an amenable number.

45264521 is a deficient number, since it is larger than the sum of its proper divisors (104971).

45264521 is a wasteful number, since it uses less digits than its factorization.

45264521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104970.

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

The square root of 45264521 is about 6727.8912743890. The cubic root of 45264521 is about 356.3849122345.

The spelling of 45264521 in words is "forty-five million, two hundred sixty-four thousand, five hundred twenty-one".