45239888 has 10 divisors (see below), whose sum is σ = 87652314. Its totient is φ = 22619936.

The previous prime is 45239879. The next prime is 45239911. The reversal of 45239888 is 88893254.

It can be written as a sum of positive squares in only one way, i.e., 37797904 + 7441984 = 6148^2 + 2728^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413731 + ... + 1413762.

Almost surely, 2^45239888 is an apocalyptic number.

It is an amenable number.

45239888 is a deficient number, since it is larger than the sum of its proper divisors (42412426).

45239888 is a wasteful number, since it uses less digits than its factorization.

45239888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827501 (or 2827495 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 45239888 is about 6726.0603625005. The cubic root of 45239888 is about 356.3202521555.

The spelling of 45239888 in words is "forty-five million, two hundred thirty-nine thousand, eight hundred eighty-eight".