142892969 has 2 divisors, whose sum is σ = 142892970. Its totient is φ = 142892968.

The previous prime is 142892957. The next prime is 142893061. The reversal of 142892969 is 969298241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73753744 + 69139225 = 8588^2 + 8315^2 .

It is a cyclic number.

It is not a de Polignac number, because 142892969 - 2⁸ = 142892713 is a prime.

It is a super-2 number, since 2×142892969² = 40836801179269922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (142892669) 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 as a sum of consecutive naturals, namely, 71446484 + 71446485.

It is an arithmetic number, because the mean of its divisors is an integer number (71446485).

Almost surely, 2^142892969 is an apocalyptic number.

It is an amenable number.

142892969 is a deficient number, since it is larger than the sum of its proper divisors (1).

142892969 is an equidigital number, since it uses as much as digits as its factorization.

142892969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 142892969 is about 11953.7847144743. The cubic root of 142892969 is about 522.8016545252.

The spelling of 142892969 in words is "one hundred forty-two million, eight hundred ninety-two thousand, nine hundred sixty-nine".