45979 has 2 divisors, whose sum is σ = 45980. Its totient is φ = 45978.

The previous prime is 45971. The next prime is 45989. The reversal of 45979 is 97954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45979 - 2³ = 45971 is a prime.

It is a super-2 number, since 2×45979² = 4228136882, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (45971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22989 + 22990.

It is an arithmetic number, because the mean of its divisors is an integer number (22990).

2⁴⁵⁹⁷⁹ is an apocalyptic number.

45979 is a deficient number, since it is larger than the sum of its proper divisors (1).

45979 is an equidigital number, since it uses as much as digits as its factorization.

45979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 45979 is about 214.4271438041. The cubic root of 45979 is about 35.8250254161.

It can be divided in two parts, 45 and 979, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 45979 in words is "forty-five thousand, nine hundred seventy-nine".