343199157 has 8 divisors (see below), whose sum is σ = 522970176. Its totient is φ = 196113792.

The previous prime is 343199141. The next prime is 343199159. The reversal of 343199157 is 751991343.

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

It is not a de Polignac number, because 343199157 - 2⁴ = 343199141 is a prime.

It is a super-2 number, since 2×343199157² = 235571322731021298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343199159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8171388 + ... + 8171429.

It is an arithmetic number, because the mean of its divisors is an integer number (65371272).

Almost surely, 2^343199157 is an apocalyptic number.

It is an amenable number.

343199157 is a deficient number, since it is larger than the sum of its proper divisors (179771019).

343199157 is a wasteful number, since it uses less digits than its factorization.

343199157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16342827.

The product of its digits is 102060, while the sum is 42.

The square root of 343199157 is about 18525.6351308127. The cubic root of 343199157 is about 700.1354547393.

The spelling of 343199157 in words is "three hundred forty-three million, one hundred ninety-nine thousand, one hundred fifty-seven".