45506251451 has 2 divisors, whose sum is σ = 45506251452. Its totient is φ = 45506251450.

The previous prime is 45506251447. The next prime is 45506251513. The reversal of 45506251451 is 15415260554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45506251451 - 2² = 45506251447 is a prime.

It is a super-2 number, since 2×45506251451² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45506250451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22753125725 + 22753125726.

It is an arithmetic number, because the mean of its divisors is an integer number (22753125726).

Almost surely, 2^45506251451 is an apocalyptic number.

45506251451 is a deficient number, since it is larger than the sum of its proper divisors (1).

45506251451 is an equidigital number, since it uses as much as digits as its factorization.

45506251451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 45506251451 in words is "forty-five billion, five hundred six million, two hundred fifty-one thousand, four hundred fifty-one".