45579639 has 16 divisors (see below), whose sum is σ = 69773312. Its totient is φ = 25926048.

The previous prime is 45579637. The next prime is 45579647. The reversal of 45579639 is 93697554.

It is not a de Polignac number, because 45579639 - 2¹ = 45579637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45579637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (4360832).

Almost surely, 2^45579639 is an apocalyptic number.

45579639 is a deficient number, since it is larger than the sum of its proper divisors (24193673).

45579639 is a wasteful number, since it uses less digits than its factorization.

45579639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9966.

The product of its digits is 1020600, while the sum is 48.

The square root of 45579639 is about 6751.2694361875. The cubic root of 45579639 is about 357.2100153858.

It can be divided in two parts, 4557 and 9639, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 45579639 in words is "forty-five million, five hundred seventy-nine thousand, six hundred thirty-nine".