45169879 has 2 divisors, whose sum is σ = 45169880. Its totient is φ = 45169878.

The previous prime is 45169877. The next prime is 45169889. The reversal of 45169879 is 97896154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45169879 - 2¹ = 45169877 is a prime.

Together with 45169877, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45169877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22584939 + 22584940.

It is an arithmetic number, because the mean of its divisors is an integer number (22584940).

Almost surely, 2^45169879 is an apocalyptic number.

45169879 is a deficient number, since it is larger than the sum of its proper divisors (1).

45169879 is an equidigital number, since it uses as much as digits as its factorization.

45169879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 49.

The square root of 45169879 is about 6720.8540379925. The cubic root of 45169879 is about 356.1363546810.

The spelling of 45169879 in words is "forty-five million, one hundred sixty-nine thousand, eight hundred seventy-nine".