45013748 has 24 divisors (see below), whose sum is σ = 86439528. Its totient is φ = 20382336.

The previous prime is 45013729. The next prime is 45013789. The reversal of 45013748 is 84731054.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 44863204 = 388^2 + 6698^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5411 + ... + 10922.

It is an arithmetic number, because the mean of its divisors is an integer number (3601647).

Almost surely, 2^45013748 is an apocalyptic number.

It is an amenable number.

45013748 is a deficient number, since it is larger than the sum of its proper divisors (41425780).

45013748 is a wasteful number, since it uses less digits than its factorization.

45013748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16403 (or 16401 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 45013748 is about 6709.2285696643. The cubic root of 45013748 is about 355.7255491084.

The spelling of 45013748 in words is "forty-five million, thirteen thousand, seven hundred forty-eight".