45219868 has 6 divisors (see below), whose sum is σ = 79134776. Its totient is φ = 22609932.

The previous prime is 45219851. The next prime is 45219869. The reversal of 45219868 is 86891254.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45219869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5652480 + ... + 5652487.

Almost surely, 2^45219868 is an apocalyptic number.

It is an amenable number.

45219868 is a deficient number, since it is larger than the sum of its proper divisors (33914908).

45219868 is a wasteful number, since it uses less digits than its factorization.

45219868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11304971 (or 11304969 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 45219868 is about 6724.5719566378. The cubic root of 45219868 is about 356.2676836200.

The spelling of 45219868 in words is "forty-five million, two hundred nineteen thousand, eight hundred sixty-eight".