45979289 has 2 divisors, whose sum is σ = 45979290. Its totient is φ = 45979288.

The previous prime is 45979273. The next prime is 45979313. The reversal of 45979289 is 98297954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37027225 + 8952064 = 6085^2 + 2992^2 .

It is a cyclic number.

It is not a de Polignac number, because 45979289 - 2⁴ = 45979273 is a prime.

It is a super-2 number, since 2×45979289² = 4228190033891042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45979289.

It is not a weakly prime, because it can be changed into another prime (45979229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22989644 + 22989645.

It is an arithmetic number, because the mean of its divisors is an integer number (22989645).

Almost surely, 2^45979289 is an apocalyptic number.

It is an amenable number.

45979289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45979289 is an equidigital number, since it uses as much as digits as its factorization.

45979289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 53.

The square root of 45979289 is about 6780.8029760494. The cubic root of 45979289 is about 358.2510047506.

The spelling of 45979289 in words is "forty-five million, nine hundred seventy-nine thousand, two hundred eighty-nine".