45225639 has 6 divisors (see below), whose sum is σ = 65325936. Its totient is φ = 30150420.

The previous prime is 45225629. The next prime is 45225641. The reversal of 45225639 is 93652254.

45225639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45225639 - 2⁷ = 45225511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45225629) 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 5 ways as a sum of consecutive naturals, for example, 2512527 + ... + 2512544.

It is an arithmetic number, because the mean of its divisors is an integer number (10887656).

Almost surely, 2^45225639 is an apocalyptic number.

45225639 is a deficient number, since it is larger than the sum of its proper divisors (20100297).

45225639 is a wasteful number, since it uses less digits than its factorization.

45225639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025077 (or 5025074 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 45225639 is about 6725.0010408921. The cubic root of 45225639 is about 356.2828387088.

The spelling of 45225639 in words is "forty-five million, two hundred twenty-five thousand, six hundred thirty-nine".