45044938 has 8 divisors (see below), whose sum is σ = 67618980. Its totient is φ = 22505280.

The previous prime is 45044933. The next prime is 45044939. The reversal of 45044938 is 83944054.

It can be written as a sum of positive squares in 2 ways, for example, as 43388569 + 1656369 = 6587^2 + 1287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 45044897 and 45044906.

It is not an unprimeable number, because it can be changed into a prime (45044933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5023 + ... + 10738.

Almost surely, 2^45044938 is an apocalyptic number.

45044938 is a deficient number, since it is larger than the sum of its proper divisors (22574042).

45044938 is a wasteful number, since it uses less digits than its factorization.

45044938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17192.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 45044938 is about 6711.5525774593. The cubic root of 45044938 is about 355.8076908152.

It can be divided in two parts, 4504493 and 8, that added together give a triangular number (4504501 = T₃₀₀₁).

The spelling of 45044938 in words is "forty-five million, forty-four thousand, nine hundred thirty-eight".