345870156 has 48 divisors (see below), whose sum is σ = 841446144. Its totient is φ = 110475456.

The previous prime is 345870143. The next prime is 345870169. The reversal of 345870156 is 651078543.

It is an interprime number because it is at equal distance from previous prime (345870143) and next prime (345870169).

It is a super-2 number, since 2×345870156² = 239252329622928672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21025 + ... + 33671.

It is an arithmetic number, because the mean of its divisors is an integer number (17530128).

Almost surely, 2^345870156 is an apocalyptic number.

It is an amenable number.

345870156 is an abundant number, since it is smaller than the sum of its proper divisors (495575988).

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

345870156 is a wasteful number, since it uses less digits than its factorization.

345870156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750 (or 12748 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 345870156 is about 18597.5846818881. The cubic root of 345870156 is about 701.9470662435.

The spelling of 345870156 in words is "three hundred forty-five million, eight hundred seventy thousand, one hundred fifty-six".