45779191 has 4 divisors (see below), whose sum is σ = 45811584. Its totient is φ = 45746800.

The previous prime is 45779183. The next prime is 45779243. The reversal of 45779191 is 19197754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19197754 = 2 ⋅9598877.

It is a cyclic number.

It is not a de Polignac number, because 45779191 - 2³ = 45779183 is a prime.

It is a super-2 number, since 2×45779191² = 4191468657228962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45779171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13975 + ... + 16936.

It is an arithmetic number, because the mean of its divisors is an integer number (11452896).

Almost surely, 2^45779191 is an apocalyptic number.

45779191 is a deficient number, since it is larger than the sum of its proper divisors (32393).

45779191 is a wasteful number, since it uses less digits than its factorization.

45779191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32392.

The product of its digits is 79380, while the sum is 43.

The square root of 45779191 is about 6766.0321459479. The cubic root of 45779191 is about 357.7305562853.

The spelling of 45779191 in words is "forty-five million, seven hundred seventy-nine thousand, one hundred ninety-one".