45603778 has 16 divisors (see below), whose sum is σ = 75466080. Its totient is φ = 20495200.

The previous prime is 45603739. The next prime is 45603799. The reversal of 45603778 is 87730654.

It is a self number, because there is not a number n which added to its sum of digits gives 45603778.

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, 9688 + ... + 13603.

It is an arithmetic number, because the mean of its divisors is an integer number (4716630).

Almost surely, 2^45603778 is an apocalyptic number.

45603778 is a deficient number, since it is larger than the sum of its proper divisors (29862302).

45603778 is a wasteful number, since it uses less digits than its factorization.

45603778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23393.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 45603778 is about 6753.0569374173. The cubic root of 45603778 is about 357.2730637922.

It can be divided in two parts, 4560 and 3778, that added together give a palindrome (8338).

The spelling of 45603778 in words is "forty-five million, six hundred three thousand, seven hundred seventy-eight".