45101851 has 2 divisors, whose sum is σ = 45101852. Its totient is φ = 45101850.

The previous prime is 45101843. The next prime is 45101863. The reversal of 45101851 is 15810154.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45101851 - 2³ = 45101843 is a prime.

It is not a weakly prime, because it can be changed into another prime (45101821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22550925 + 22550926.

It is an arithmetic number, because the mean of its divisors is an integer number (22550926).

Almost surely, 2^45101851 is an apocalyptic number.

45101851 is a deficient number, since it is larger than the sum of its proper divisors (1).

45101851 is an equidigital number, since it uses as much as digits as its factorization.

45101851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 45101851 is about 6715.7911670927. The cubic root of 45101851 is about 355.9574787197.

The spelling of 45101851 in words is "forty-five million, one hundred one thousand, eight hundred fifty-one".