142862089 has 2 divisors, whose sum is σ = 142862090. Its totient is φ = 142862088.

The previous prime is 142862077. The next prime is 142862123. The reversal of 142862089 is 980268241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72386064 + 70476025 = 8508^2 + 8395^2 .

It is a cyclic number.

It is not a de Polignac number, because 142862089 - 2⁹ = 142861577 is a prime.

It is not a weakly prime, because it can be changed into another prime (142862059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71431044 + 71431045.

It is an arithmetic number, because the mean of its divisors is an integer number (71431045).

Almost surely, 2^142862089 is an apocalyptic number.

It is an amenable number.

142862089 is a deficient number, since it is larger than the sum of its proper divisors (1).

142862089 is an equidigital number, since it uses as much as digits as its factorization.

142862089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 142862089 is about 11952.4930035537. The cubic root of 142862089 is about 522.7639916547.

The spelling of 142862089 in words is "one hundred forty-two million, eight hundred sixty-two thousand, eighty-nine".