45226565581 has 8 divisors (see below), whose sum is σ = 46422966240. Its totient is φ = 44044493328.

The previous prime is 45226565569. The next prime is 45226565597. The reversal of 45226565581 is 18556562254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45226565581 is a prime.

It is a super-2 number, since 2×45226565581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45226565561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575706 + ... + 3588331.

It is an arithmetic number, because the mean of its divisors is an integer number (5802870780).

Almost surely, 2^45226565581 is an apocalyptic number.

It is an amenable number.

45226565581 is a deficient number, since it is larger than the sum of its proper divisors (1196400659).

45226565581 is a wasteful number, since it uses less digits than its factorization.

45226565581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164203.

The product of its digits is 2880000, while the sum is 49.

The spelling of 45226565581 in words is "forty-five billion, two hundred twenty-six million, five hundred sixty-five thousand, five hundred eighty-one".