45603418 has 48 divisors (see below), whose sum is σ = 87070464. Its totient is φ = 17781120.

The previous prime is 45603409. The next prime is 45603421. The reversal of 45603418 is 81430654.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 45603418.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51205 + ... + 52087.

It is an arithmetic number, because the mean of its divisors is an integer number (1813968).

Almost surely, 2^45603418 is an apocalyptic number.

45603418 is a deficient number, since it is larger than the sum of its proper divisors (41467046).

45603418 is a wasteful number, since it uses less digits than its factorization.

45603418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 45603418 is about 6753.0302827694. The cubic root of 45603418 is about 357.2721236754.

The spelling of 45603418 in words is "forty-five million, six hundred three thousand, four hundred eighteen".