45855427 has 2 divisors, whose sum is σ = 45855428. Its totient is φ = 45855426.

The previous prime is 45855419. The next prime is 45855437. The reversal of 45855427 is 72455854.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45855427 - 2³ = 45855419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45855427.

It is not a weakly prime, because it can be changed into another prime (45855437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22927713 + 22927714.

It is an arithmetic number, because the mean of its divisors is an integer number (22927714).

Almost surely, 2^45855427 is an apocalyptic number.

45855427 is a deficient number, since it is larger than the sum of its proper divisors (1).

45855427 is an equidigital number, since it uses as much as digits as its factorization.

45855427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224000, while the sum is 40.

The square root of 45855427 is about 6771.6635326927. The cubic root of 45855427 is about 357.9290221635.

The spelling of 45855427 in words is "forty-five million, eight hundred fifty-five thousand, four hundred twenty-seven".