45779251 has 4 divisors (see below), whose sum is σ = 52319152. Its totient is φ = 39239352.

The previous prime is 45779243. The next prime is 45779257. The reversal of 45779251 is 15297754.

45779251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15297754 = 2 ⋅7648877.

It is a cyclic number.

It is not a de Polignac number, because 45779251 - 2³ = 45779243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45779257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3269940 + ... + 3269953.

It is an arithmetic number, because the mean of its divisors is an integer number (13079788).

Almost surely, 2^45779251 is an apocalyptic number.

45779251 is a deficient number, since it is larger than the sum of its proper divisors (6539901).

45779251 is an equidigital number, since it uses as much as digits as its factorization.

45779251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539900.

The product of its digits is 88200, while the sum is 40.

The square root of 45779251 is about 6766.0365798597. The cubic root of 45779251 is about 357.7307125705.

The spelling of 45779251 in words is "forty-five million, seven hundred seventy-nine thousand, two hundred fifty-one".