343042142 has 8 divisors (see below), whose sum is σ = 515860536. Its totient is φ = 171088632.

The previous prime is 343042127. The next prime is 343042153. The reversal of 343042142 is 241240343.

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

It is a super-2 number, since 2×343042142² = 235355822375896328, which contains 22 as substring.

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, 215228 + ... + 216815.

It is an arithmetic number, because the mean of its divisors is an integer number (64482567).

Almost surely, 2^343042142 is an apocalyptic number.

343042142 is a deficient number, since it is larger than the sum of its proper divisors (172818394).

343042142 is a wasteful number, since it uses less digits than its factorization.

343042142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432442.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 343042142 is about 18521.3968695668. The cubic root of 343042142 is about 700.0286668532.

Adding to 343042142 its reverse (241240343), we get a palindrome (584282485).

The spelling of 343042142 in words is "three hundred forty-three million, forty-two thousand, one hundred forty-two".