45465428251 has 2 divisors, whose sum is σ = 45465428252. Its totient is φ = 45465428250.

The previous prime is 45465428243. The next prime is 45465428341. The reversal of 45465428251 is 15282456454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45465428251 - 2³ = 45465428243 is a prime.

It is not a weakly prime, because it can be changed into another prime (45465408251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22732714125 + 22732714126.

It is an arithmetic number, because the mean of its divisors is an integer number (22732714126).

Almost surely, 2^45465428251 is an apocalyptic number.

45465428251 is a deficient number, since it is larger than the sum of its proper divisors (1).

45465428251 is an equidigital number, since it uses as much as digits as its factorization.

45465428251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536000, while the sum is 46.

The spelling of 45465428251 in words is "forty-five billion, four hundred sixty-five million, four hundred twenty-eight thousand, two hundred fifty-one".