45194977 has 8 divisors (see below), whose sum is σ = 49642560. Its totient is φ = 40954320.

The previous prime is 45194951. The next prime is 45195011. The reversal of 45194977 is 77949154.

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

It is a cyclic number.

It is not a de Polignac number, because 45194977 - 2²³ = 36806369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45194927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51274 + ... + 52147.

It is an arithmetic number, because the mean of its divisors is an integer number (6205320).

Almost surely, 2^45194977 is an apocalyptic number.

It is an amenable number.

45194977 is a deficient number, since it is larger than the sum of its proper divisors (4447583).

45194977 is a wasteful number, since it uses less digits than its factorization.

45194977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103463.

The product of its digits is 317520, while the sum is 46.

The square root of 45194977 is about 6722.7209521146. The cubic root of 45194977 is about 356.2023031660.

The spelling of 45194977 in words is "forty-five million, one hundred ninety-four thousand, nine hundred seventy-seven".