345846565072 has 20 divisors (see below), whose sum is σ = 670792879876. Its totient is φ = 172738725120.

The previous prime is 345846565027. The next prime is 345846565133. The reversal of 345846565072 is 270565648543.

It can be written as a sum of positive squares in 2 ways, for example, as 28377423936 + 317469141136 = 168456^2 + 563444^2 .

It is a super-2 number, since 2×345846565072² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11519379 + ... + 11549362.

Almost surely, 2^345846565072 is an apocalyptic number.

It is an amenable number.

345846565072 is a deficient number, since it is larger than the sum of its proper divisors (324946314804).

345846565072 is a wasteful number, since it uses less digits than its factorization.

345846565072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23069686 (or 23069680 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 55.

The spelling of 345846565072 in words is "three hundred forty-five billion, eight hundred forty-six million, five hundred sixty-five thousand, seventy-two".