32454545581 has 8 divisors (see below), whose sum is σ = 32722744320. Its totient is φ = 32186544768.

The previous prime is 32454545579. The next prime is 32454545593. The reversal of 32454545581 is 18554545423.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 32454545581 - 2¹ = 32454545579 is a prime.

It is a super-2 number, since 2×32454545581² (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 (32454545551) 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 in 7 ways as a sum of consecutive naturals, for example, 289350 + ... + 385528.

It is an arithmetic number, because the mean of its divisors is an integer number (4090343040).

Almost surely, 2^32454545581 is an apocalyptic number.

It is an amenable number.

32454545581 is a deficient number, since it is larger than the sum of its proper divisors (268198739).

32454545581 is a wasteful number, since it uses less digits than its factorization.

32454545581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98963.

The product of its digits is 1920000, while the sum is 46.

The spelling of 32454545581 in words is "thirty-two billion, four hundred fifty-four million, five hundred forty-five thousand, five hundred eighty-one".