45558378 has 36 divisors (see below), whose sum is σ = 100108710. Its totient is φ = 14973696.

The previous prime is 45558367. The next prime is 45558379. The reversal of 45558378 is 87385554.

It can be written as a sum of positive squares in 3 ways, for example, as 26347689 + 19210689 = 5133^2 + 4383^2 .

It is not an unprimeable number, because it can be changed into a prime (45558379) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 169228 + ... + 169496.

Almost surely, 2^45558378 is an apocalyptic number.

45558378 is an abundant number, since it is smaller than the sum of its proper divisors (54550332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45558378 is a wasteful number, since it uses less digits than its factorization.

45558378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 371 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 45558378 is about 6749.6946597605. The cubic root of 45558378 is about 357.1544655579.

The spelling of 45558378 in words is "forty-five million, five hundred fifty-eight thousand, three hundred seventy-eight".