45818536378 has 4 divisors (see below), whose sum is σ = 68727804570. Its totient is φ = 22909268188.

The previous prime is 45818536333. The next prime is 45818536403. The reversal of 45818536378 is 87363581854.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22956189169 + 22862347209 = 151513^2 + 151203^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11454634093 + ... + 11454634096.

Almost surely, 2^45818536378 is an apocalyptic number.

45818536378 is a deficient number, since it is larger than the sum of its proper divisors (22909268192).

45818536378 is a wasteful number, since it uses less digits than its factorization.

45818536378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22909268191.

The product of its digits is 19353600, while the sum is 58.

The spelling of 45818536378 in words is "forty-five billion, eight hundred eighteen million, five hundred thirty-six thousand, three hundred seventy-eight".