345427200581 has 12 divisors (see below), whose sum is σ = 366981777888. Its totient is φ = 325072443072.

The previous prime is 345427200577. The next prime is 345427200637. The reversal of 345427200581 is 185002724543.

It is not a de Polignac number, because 345427200581 - 2² = 345427200577 is a prime.

It is a super-2 number, since 2×345427200581² (a number of 24 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 (345427200541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2802800 + ... + 2923446.

It is an arithmetic number, because the mean of its divisors is an integer number (30581814824).

Almost surely, 2^345427200581 is an apocalyptic number.

It is an amenable number.

345427200581 is a deficient number, since it is larger than the sum of its proper divisors (21554577307).

345427200581 is a wasteful number, since it uses less digits than its factorization.

345427200581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130588 (or 130571 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 345427200581 in words is "three hundred forty-five billion, four hundred twenty-seven million, two hundred thousand, five hundred eighty-one".