45453979 has 2 divisors, whose sum is σ = 45453980. Its totient is φ = 45453978.

The previous prime is 45453977. The next prime is 45453983. The reversal of 45453979 is 97935454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45453979 - 2¹ = 45453977 is a prime.

Together with 45453977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45453977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22726989 + 22726990.

It is an arithmetic number, because the mean of its divisors is an integer number (22726990).

Almost surely, 2^45453979 is an apocalyptic number.

45453979 is a deficient number, since it is larger than the sum of its proper divisors (1).

45453979 is an equidigital number, since it uses as much as digits as its factorization.

45453979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 45453979 is about 6741.9566151081. The cubic root of 45453979 is about 356.8814452540.

The spelling of 45453979 in words is "forty-five million, four hundred fifty-three thousand, nine hundred seventy-nine".