345400342 has 16 divisors (see below), whose sum is σ = 592774560. Its totient is φ = 147863808.

The previous prime is 345400331. The next prime is 345400351. The reversal of 345400342 is 243004543.

345400342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273 + ... + 26284.

It is an arithmetic number, because the mean of its divisors is an integer number (37048410).

Almost surely, 2^345400342 is an apocalyptic number.

345400342 is a deficient number, since it is larger than the sum of its proper divisors (247374218).

345400342 is a wasteful number, since it uses less digits than its factorization.

345400342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27495.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 345400342 is about 18584.9493407972. The cubic root of 345400342 is about 701.6290914318.

Adding to 345400342 its reverse (243004543), we get a palindrome (588404885).

The spelling of 345400342 in words is "three hundred forty-five million, four hundred thousand, three hundred forty-two".