45019604 has 48 divisors (see below), whose sum is σ = 95961600. Its totient is φ = 18040320.

The previous prime is 45019603. The next prime is 45019613. The reversal of 45019604 is 40691054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45019603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128822 + ... + 129170.

It is an arithmetic number, because the mean of its divisors is an integer number (1999200).

Almost surely, 2^45019604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45019604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47980800).

45019604 is an abundant number, since it is smaller than the sum of its proper divisors (50941996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45019604 is a wasteful number, since it uses less digits than its factorization.

45019604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 45019604 is about 6709.6649692813. The cubic root of 45019604 is about 355.7409743105.

The spelling of 45019604 in words is "forty-five million, nineteen thousand, six hundred four".