345143147 has 2 divisors, whose sum is σ = 345143148. Its totient is φ = 345143146.

The previous prime is 345143111. The next prime is 345143167. The reversal of 345143147 is 741341543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345143147 - 2¹⁸ = 344881003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (345143167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172571573 + 172571574.

It is an arithmetic number, because the mean of its divisors is an integer number (172571574).

Almost surely, 2^345143147 is an apocalyptic number.

345143147 is a deficient number, since it is larger than the sum of its proper divisors (1).

345143147 is an equidigital number, since it uses as much as digits as its factorization.

345143147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 345143147 is about 18578.0286090855. The cubic root of 345143147 is about 701.4548971404.

The spelling of 345143147 in words is "three hundred forty-five million, one hundred forty-three thousand, one hundred forty-seven".