345444245872 has 80 divisors (see below), whose sum is σ = 737587648512. Its totient is φ = 155421711360.

The previous prime is 345444245857. The next prime is 345444245873. The reversal of 345444245872 is 278542444543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345444245873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24418033 + ... + 24432175.

Almost surely, 2^345444245872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345444245872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368793824256).

345444245872 is an abundant number, since it is smaller than the sum of its proper divisors (392143402640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345444245872 is a wasteful number, since it uses less digits than its factorization.

345444245872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15566 (or 15560 counting only the distinct ones).

The product of its digits is 17203200, while the sum is 52.

The spelling of 345444245872 in words is "three hundred forty-five billion, four hundred forty-four million, two hundred forty-five thousand, eight hundred seventy-two".