142893307 has 2 divisors, whose sum is σ = 142893308. Its totient is φ = 142893306.

The previous prime is 142893299. The next prime is 142893367. The reversal of 142893307 is 703398241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142893307 - 2³ = 142893299 is a prime.

It is not a weakly prime, because it can be changed into another prime (142893367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71446653 + 71446654.

It is an arithmetic number, because the mean of its divisors is an integer number (71446654).

Almost surely, 2^142893307 is an apocalyptic number.

142893307 is a deficient number, since it is larger than the sum of its proper divisors (1).

142893307 is an equidigital number, since it uses as much as digits as its factorization.

142893307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 142893307 is about 11953.7988522478. The cubic root of 142893307 is about 522.8020667378.

The spelling of 142893307 in words is "one hundred forty-two million, eight hundred ninety-three thousand, three hundred seven".