345280458428 has 6 divisors (see below), whose sum is σ = 604240802256. Its totient is φ = 172640229212.

The previous prime is 345280458421. The next prime is 345280458431. The reversal of 345280458428 is 824854082543.

It is a self number, because there is not a number n which added to its sum of digits gives 345280458428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345280458421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43160057300 + ... + 43160057307.

It is an arithmetic number, because the mean of its divisors is an integer number (100706800376).

Almost surely, 2^345280458428 is an apocalyptic number.

It is an amenable number.

345280458428 is a deficient number, since it is larger than the sum of its proper divisors (258960343828).

345280458428 is a wasteful number, since it uses less digits than its factorization.

345280458428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86320114611 (or 86320114609 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 53.

The spelling of 345280458428 in words is "three hundred forty-five billion, two hundred eighty million, four hundred fifty-eight thousand, four hundred twenty-eight".