45418378 has 8 divisors (see below), whose sum is σ = 68410980. Its totient is φ = 22614720.

The previous prime is 45418357. The next prime is 45418381. The reversal of 45418378 is 87381454.

It can be written as a sum of positive squares in 2 ways, for example, as 40233649 + 5184729 = 6343^2 + 2277^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 45418378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46633 + ... + 47596.

Almost surely, 2^45418378 is an apocalyptic number.

45418378 is a deficient number, since it is larger than the sum of its proper divisors (22992602).

45418378 is a wasteful number, since it uses less digits than its factorization.

45418378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94472.

The product of its digits is 107520, while the sum is 40.

The square root of 45418378 is about 6739.3158406473. The cubic root of 45418378 is about 356.7882472903.

It can be divided in two parts, 45418 and 378, that added together give a square (45796 = 214²).

The spelling of 45418378 in words is "forty-five million, four hundred eighteen thousand, three hundred seventy-eight".