345444257782 has 32 divisors (see below), whose sum is σ = 591347342880. Its totient is φ = 150183425280.

The previous prime is 345444257761. The next prime is 345444257827. The reversal of 345444257782 is 287752444543.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5556268 + ... + 5618095.

It is an arithmetic number, because the mean of its divisors is an integer number (18479604465).

Almost surely, 2^345444257782 is an apocalyptic number.

345444257782 is a deficient number, since it is larger than the sum of its proper divisors (245903085098).

345444257782 is a wasteful number, since it uses less digits than its factorization.

345444257782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11174448.

The product of its digits is 30105600, while the sum is 55.

The spelling of 345444257782 in words is "three hundred forty-five billion, four hundred forty-four million, two hundred fifty-seven thousand, seven hundred eighty-two".