302145302139 has 32 divisors (see below), whose sum is σ = 439753121280. Its totient is φ = 183755884032.

The previous prime is 302145302113. The next prime is 302145302143. The reversal of 302145302139 is 931203541203.

It is not a de Polignac number, because 302145302139 - 2⁸ = 302145301883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (302145322139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191872 + ... + 800690.

It is an arithmetic number, because the mean of its divisors is an integer number (13742285040).

Almost surely, 2^302145302139 is an apocalyptic number.

302145302139 is a deficient number, since it is larger than the sum of its proper divisors (137607819141).

302145302139 is a wasteful number, since it uses less digits than its factorization.

302145302139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609139.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 302145302139 in words is "three hundred two billion, one hundred forty-five million, three hundred two thousand, one hundred thirty-nine".