45400318 has 16 divisors (see below), whose sum is σ = 68984064. Its totient is φ = 22407840.

The previous prime is 45400309. The next prime is 45400331. The reversal of 45400318 is 81300454.

It is a super-2 number, since 2×45400318² = 4122377749002248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45400292 and 45400301.

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, 59596 + ... + 60352.

It is an arithmetic number, because the mean of its divisors is an integer number (4311504).

Almost surely, 2^45400318 is an apocalyptic number.

45400318 is a deficient number, since it is larger than the sum of its proper divisors (23583746).

45400318 is a wasteful number, since it uses less digits than its factorization.

45400318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 45400318 is about 6737.9758088019. The cubic root of 45400318 is about 356.7409503568.

The spelling of 45400318 in words is "forty-five million, four hundred thousand, three hundred eighteen".