45409798 has 16 divisors (see below), whose sum is σ = 78785280. Its totient is φ = 19226376.

The previous prime is 45409789. The next prime is 45409801. The reversal of 45409798 is 89790454.

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, 18378 + ... + 20701.

It is an arithmetic number, because the mean of its divisors is an integer number (4924080).

Almost surely, 2^45409798 is an apocalyptic number.

45409798 is a deficient number, since it is larger than the sum of its proper divisors (33375482).

45409798 is a wasteful number, since it uses less digits than its factorization.

45409798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39171.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 45409798 is about 6738.6792474490. The cubic root of 45409798 is about 356.7657788822.

The spelling of 45409798 in words is "forty-five million, four hundred nine thousand, seven hundred ninety-eight".