345443742 has 24 divisors (see below), whose sum is σ = 855384816. Its totient is φ = 98698176.

The previous prime is 345443741. The next prime is 345443789. The reversal of 345443742 is 247344543.

It is a junction number, because it is equal to n+sod(n) for n = 345443697 and 345443706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345443741) 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, 1370683 + ... + 1370934.

It is an arithmetic number, because the mean of its divisors is an integer number (35641034).

Almost surely, 2^345443742 is an apocalyptic number.

345443742 is an abundant number, since it is smaller than the sum of its proper divisors (509941074).

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

345443742 is a wasteful number, since it uses less digits than its factorization.

345443742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741632 (or 2741629 counting only the distinct ones).

The product of its digits is 161280, while the sum is 36.

The square root of 345443742 is about 18586.1169155905. The cubic root of 345443742 is about 701.6584770689.

The spelling of 345443742 in words is "three hundred forty-five million, four hundred forty-three thousand, seven hundred forty-two".