345255143 has 2 divisors, whose sum is σ = 345255144. Its totient is φ = 345255142.

The previous prime is 345255101. The next prime is 345255149. The reversal of 345255143 is 341552543.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345255143 is a prime.

It is a super-2 number, since 2×345255143² = 238402227535900898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345255149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172627571 + 172627572.

It is an arithmetic number, because the mean of its divisors is an integer number (172627572).

Almost surely, 2^345255143 is an apocalyptic number.

345255143 is a deficient number, since it is larger than the sum of its proper divisors (1).

345255143 is an equidigital number, since it uses as much as digits as its factorization.

345255143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 32.

The square root of 345255143 is about 18581.0425703188. The cubic root of 345255143 is about 701.5307609740.

The spelling of 345255143 in words is "three hundred forty-five million, two hundred fifty-five thousand, one hundred forty-three".