343057142 has 4 divisors (see below), whose sum is σ = 514585716. Its totient is φ = 171528570.

The previous prime is 343057123. The next prime is 343057147. The reversal of 343057142 is 241750343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343057147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85764284 + ... + 85764287.

It is an arithmetic number, because the mean of its divisors is an integer number (128646429).

Almost surely, 2^343057142 is an apocalyptic number.

343057142 is a deficient number, since it is larger than the sum of its proper divisors (171528574).

343057142 is a wasteful number, since it uses less digits than its factorization.

343057142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171528573.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 343057142 is about 18521.8018022006. The cubic root of 343057142 is about 700.0388699504.

The spelling of 343057142 in words is "three hundred forty-three million, fifty-seven thousand, one hundred forty-two".