45639075 has 12 divisors (see below), whose sum is σ = 75456728. Its totient is φ = 24340800.

The previous prime is 45639073. The next prime is 45639091. The reversal of 45639075 is 57093654.

45639075 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 45639075 - 2¹ = 45639073 is a prime.

It is a super-3 number, since 3×45639075³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45639071) 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 11 ways as a sum of consecutive naturals, for example, 304186 + ... + 304335.

Almost surely, 2^45639075 is an apocalyptic number.

45639075 is a deficient number, since it is larger than the sum of its proper divisors (29817653).

45639075 is a wasteful number, since it uses less digits than its factorization.

45639075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608534 (or 608529 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 45639075 is about 6755.6698409558. The cubic root of 45639075 is about 357.3652156253.

It can be divided in two parts, 4563 and 9075, that multiplied together give a square (41409225 = 6435²).

The spelling of 45639075 in words is "forty-five million, six hundred thirty-nine thousand, seventy-five".