45380779 has 2 divisors, whose sum is σ = 45380780. Its totient is φ = 45380778.

The previous prime is 45380707. The next prime is 45380791. The reversal of 45380779 is 97708354.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45380779 - 2¹¹ = 45378731 is a prime.

It is not a weakly prime, because it can be changed into another prime (45380479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22690389 + 22690390.

It is an arithmetic number, because the mean of its divisors is an integer number (22690390).

Almost surely, 2^45380779 is an apocalyptic number.

45380779 is a deficient number, since it is larger than the sum of its proper divisors (1).

45380779 is an equidigital number, since it uses as much as digits as its factorization.

45380779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 45380779 is about 6736.5257366093. The cubic root of 45380779 is about 356.6897659752.

The spelling of 45380779 in words is "forty-five million, three hundred eighty thousand, seven hundred seventy-nine".