45194818 has 8 divisors (see below), whose sum is σ = 70129980. Its totient is φ = 21818160.

The previous prime is 45194803. The next prime is 45194843. The reversal of 45194818 is 81849154.

It can be written as a sum of positive squares in 2 ways, for example, as 45118089 + 76729 = 6717^2 + 277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389553 + ... + 389668.

Almost surely, 2^45194818 is an apocalyptic number.

45194818 is a deficient number, since it is larger than the sum of its proper divisors (24935162).

45194818 is a wasteful number, since it uses less digits than its factorization.

45194818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779252.

The product of its digits is 46080, while the sum is 40.

The square root of 45194818 is about 6722.7091265352. The cubic root of 45194818 is about 356.2018854483.

The spelling of 45194818 in words is "forty-five million, one hundred ninety-four thousand, eight hundred eighteen".