345432542 has 32 divisors (see below), whose sum is σ = 643948032. Its totient is φ = 135320544.

The previous prime is 345432533. The next prime is 345432547. The reversal of 345432542 is 245234543.

It is a junction number, because it is equal to n+sod(n) for n = 345432499 and 345432508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345432547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9533 + ... + 27959.

It is an arithmetic number, because the mean of its divisors is an integer number (20123376).

Almost surely, 2^345432542 is an apocalyptic number.

345432542 is a deficient number, since it is larger than the sum of its proper divisors (298515490).

345432542 is a wasteful number, since it uses less digits than its factorization.

345432542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18552.

The product of its digits is 57600, while the sum is 32.

The square root of 345432542 is about 18585.8156129883. The cubic root of 345432542 is about 701.6508939143.

The spelling of 345432542 in words is "three hundred forty-five million, four hundred thirty-two thousand, five hundred forty-two".