45399204 has 42 divisors (see below), whose sum is σ = 119126070. Its totient is φ = 15132096.

The previous prime is 45399199. The next prime is 45399223. The reversal of 45399204 is 40299354.

45399204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36578304 + 8820900 = 6048^2 + 2970^2 .

It is a super-2 number, since 2×45399204² = 4122175447667232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4869 + ... + 10700.

It is an arithmetic number, because the mean of its divisors is an integer number (2836335).

Almost surely, 2^45399204 is an apocalyptic number.

It is an amenable number.

45399204 is an abundant number, since it is smaller than the sum of its proper divisors (73726866).

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

45399204 is a wasteful number, since it uses less digits than its factorization.

45399204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15591 (or 15574 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 45399204 is about 6737.8931425187. The cubic root of 45399204 is about 356.7380325163.

The spelling of 45399204 in words is "forty-five million, three hundred ninety-nine thousand, two hundred four".