45779391 has 48 divisors (see below), whose sum is σ = 79960320. Its totient is φ = 25356240.

The previous prime is 45779389. The next prime is 45779399. The reversal of 45779391 is 19397754.

It is not a de Polignac number, because 45779391 - 2¹ = 45779389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45779399) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 349396 + ... + 349526.

It is an arithmetic number, because the mean of its divisors is an integer number (1665840).

Almost surely, 2^45779391 is an apocalyptic number.

45779391 is a deficient number, since it is larger than the sum of its proper divisors (34180929).

45779391 is a wasteful number, since it uses less digits than its factorization.

45779391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 184 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 45779391 is about 6766.0469256428. The cubic root of 45779391 is about 357.7310772353.

The spelling of 45779391 in words is "forty-five million, seven hundred seventy-nine thousand, three hundred ninety-one".