345621045460 has 24 divisors (see below), whose sum is σ = 764004417120. Its totient is φ = 130972185504.

The previous prime is 345621045443. The next prime is 345621045491. The reversal of 345621045460 is 64540126543.

It is a super-2 number, since 2×345621045460² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454764154 + ... + 454764913.

It is an arithmetic number, because the mean of its divisors is an integer number (31833517380).

Almost surely, 2^345621045460 is an apocalyptic number.

It is an amenable number.

345621045460 is an abundant number, since it is smaller than the sum of its proper divisors (418383371660).

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

345621045460 is a wasteful number, since it uses less digits than its factorization.

345621045460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909529095 (or 909529093 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 345621045460 in words is "three hundred forty-five billion, six hundred twenty-one million, forty-five thousand, four hundred sixty".