45019804 has 24 divisors (see below), whose sum is σ = 81151056. Its totient is φ = 21840000.

The previous prime is 45019789. The next prime is 45019811. The reversal of 45019804 is 40891054.

It is a happy number.

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, 33954 + ... + 35254.

It is an arithmetic number, because the mean of its divisors is an integer number (3381294).

Almost surely, 2^45019804 is an apocalyptic number.

It is an amenable number.

45019804 is a deficient number, since it is larger than the sum of its proper divisors (36131252).

45019804 is a wasteful number, since it uses less digits than its factorization.

45019804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 45019804 is about 6709.6798731385. The cubic root of 45019804 is about 355.7415011039.

The spelling of 45019804 in words is "forty-five million, nineteen thousand, eight hundred four".