45641798 has 32 divisors (see below), whose sum is σ = 73918656. Its totient is φ = 21086208.

The previous prime is 45641789. The next prime is 45641803. The reversal of 45641798 is 89714654.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236390 + ... + 236582.

It is an arithmetic number, because the mean of its divisors is an integer number (2309958).

Almost surely, 2^45641798 is an apocalyptic number.

45641798 is a deficient number, since it is larger than the sum of its proper divisors (28276858).

45641798 is a wasteful number, since it uses less digits than its factorization.

45641798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its digits is 241920, while the sum is 44.

The square root of 45641798 is about 6755.8713723694. The cubic root of 45641798 is about 357.3723227378.

The spelling of 45641798 in words is "forty-five million, six hundred forty-one thousand, seven hundred ninety-eight".