345709143 has 48 divisors (see below), whose sum is σ = 556526880. Its totient is φ = 205459200.

The previous prime is 345709139. The next prime is 345709157. The reversal of 345709143 is 341907543.

It is not a de Polignac number, because 345709143 - 2² = 345709139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345709098 and 345709107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345709103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420673 + ... + 421493.

It is an arithmetic number, because the mean of its divisors is an integer number (11594310).

Almost surely, 2^345709143 is an apocalyptic number.

345709143 is a deficient number, since it is larger than the sum of its proper divisors (210817737).

345709143 is a wasteful number, since it uses less digits than its factorization.

345709143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 345709143 is about 18593.2553093857. The cubic root of 345709143 is about 701.8381234856.

The spelling of 345709143 in words is "three hundred forty-five million, seven hundred nine thousand, one hundred forty-three".