45435042251 has 2 divisors, whose sum is σ = 45435042252. Its totient is φ = 45435042250.

The previous prime is 45435042239. The next prime is 45435042259. The reversal of 45435042251 is 15224053454.

45435042251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45435042251 is a prime.

It is not a weakly prime, because it can be changed into another prime (45435042259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22717521125 + 22717521126.

It is an arithmetic number, because the mean of its divisors is an integer number (22717521126).

Almost surely, 2^45435042251 is an apocalyptic number.

45435042251 is a deficient number, since it is larger than the sum of its proper divisors (1).

45435042251 is an equidigital number, since it uses as much as digits as its factorization.

45435042251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 45435042251 in words is "forty-five billion, four hundred thirty-five million, forty-two thousand, two hundred fifty-one".