345161514645 has 48 divisors (see below), whose sum is σ = 618363847920. Its totient is φ = 177969871872.

The previous prime is 345161514623. The next prime is 345161514757. The reversal of 345161514645 is 546415161543.

345161514645 is a `hidden beast` number, since 3 + 4 + 516 + 1 + 51 + 46 + 45 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 327139569 + 344834375076 = 18087^2 + 587226^2 .

It is not a de Polignac number, because 345161514645 - 2¹⁰ = 345161513621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 345161514645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 398800 + ... + 921609.

It is an arithmetic number, because the mean of its divisors is an integer number (12882580165).

Almost surely, 2^345161514645 is an apocalyptic number.

It is an amenable number.

345161514645 is a deficient number, since it is larger than the sum of its proper divisors (273202333275).

345161514645 is a wasteful number, since it uses less digits than its factorization.

345161514645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320614 (or 1320611 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The spelling of 345161514645 in words is "three hundred forty-five billion, one hundred sixty-one million, five hundred fourteen thousand, six hundred forty-five".