307143345 has 16 divisors (see below), whose sum is σ = 494448192. Its totient is φ = 162803520.

The previous prime is 307143337. The next prime is 307143349. The reversal of 307143345 is 543341703.

It is not a de Polignac number, because 307143345 - 2³ = 307143337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (307143349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60366 + ... + 65255.

It is an arithmetic number, because the mean of its divisors is an integer number (30903012).

Almost surely, 2^307143345 is an apocalyptic number.

It is an amenable number.

307143345 is a deficient number, since it is larger than the sum of its proper divisors (187304847).

307143345 is a wasteful number, since it uses less digits than its factorization.

307143345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125792.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 307143345 is about 17525.5055561887. The cubic root of 307143345 is about 674.7046499363.

The spelling of 307143345 in words is "three hundred seven million, one hundred forty-three thousand, three hundred forty-five".