345441304061530 has 256 divisors, whose sum is σ = 688849686512640. Its totient is φ = 124298857267200.

The previous prime is 345441304061519. The next prime is 345441304061549. The reversal of 345441304061530 is 35160403144543.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 66803575845 + ... + 66803581015.

It is an arithmetic number, because the mean of its divisors is an integer number (2690819087940).

Almost surely, 2^{345441304061530} is an apocalyptic number.

345441304061530 is a deficient number, since it is larger than the sum of its proper divisors (343408382451110).

345441304061530 is a wasteful number, since it uses less digits than its factorization.

345441304061530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 345441304061530 in words is "three hundred forty-five trillion, four hundred forty-one billion, three hundred four million, sixty-one thousand, five hundred thirty".