45256430771 has 16 divisors (see below), whose sum is σ = 47839053600. Its totient is φ = 42694253568.

The previous prime is 45256430767. The next prime is 45256430777. The reversal of 45256430771 is 17703465254.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45256430771 - 2² = 45256430767 is a prime.

It is a super-2 number, since 2×45256430771² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45256430777) 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 in 15 ways as a sum of consecutive naturals, for example, 4821635 + ... + 4831011.

It is an arithmetic number, because the mean of its divisors is an integer number (2989940850).

Almost surely, 2^45256430771 is an apocalyptic number.

45256430771 is a deficient number, since it is larger than the sum of its proper divisors (2582622829).

45256430771 is a wasteful number, since it uses less digits than its factorization.

45256430771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 45256430771 in words is "forty-five billion, two hundred fifty-six million, four hundred thirty thousand, seven hundred seventy-one".