345140342 has 8 divisors (see below), whose sum is σ = 518424816. Its totient is φ = 172332072.

The previous prime is 345140333. The next prime is 345140351. The reversal of 345140342 is 243041543.

It is an interprime number because it is at equal distance from previous prime (345140333) and next prime (345140351).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117233 + ... + 120140.

It is an arithmetic number, because the mean of its divisors is an integer number (64803102).

Almost surely, 2^345140342 is an apocalyptic number.

345140342 is a deficient number, since it is larger than the sum of its proper divisors (173284474).

345140342 is a wasteful number, since it uses less digits than its factorization.

345140342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238102.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 345140342 is about 18577.9531165304. The cubic root of 345140342 is about 701.4529968793.

Adding to 345140342 its reverse (243041543), we get a palindrome (588181885).

The spelling of 345140342 in words is "three hundred forty-five million, one hundred forty thousand, three hundred forty-two".