345264642 has 24 divisors (see below), whose sum is σ = 756482220. Its totient is φ = 113794560.

The previous prime is 345264641. The next prime is 345264643. The reversal of 345264642 is 246462543.

345264642 is a `hidden beast` number, since 3 + 4 + 5 + 2 + 6 + 4 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (345264641) and next prime (345264643).

It can be written as a sum of positive squares in 2 ways, for example, as 332369361 + 12895281 = 18231^2 + 3591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 345264597 and 345264606.

It is not an unprimeable number, because it can be changed into a prime (345264641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106159 + ... + 109362.

Almost surely, 2^345264642 is an apocalyptic number.

345264642 is an abundant number, since it is smaller than the sum of its proper divisors (411217578).

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

345264642 is a wasteful number, since it uses less digits than its factorization.

345264642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215618 (or 215615 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 345264642 is about 18581.2981785450. The cubic root of 345264642 is about 701.5371946504.

The spelling of 345264642 in words is "three hundred forty-five million, two hundred sixty-four thousand, six hundred forty-two".