142672897 has 2 divisors, whose sum is σ = 142672898. Its totient is φ = 142672896.

The previous prime is 142672877. The next prime is 142672909. The reversal of 142672897 is 798276241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105657841 + 37015056 = 10279^2 + 6084^2 .

It is a cyclic number.

It is not a de Polignac number, because 142672897 - 2⁷ = 142672769 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142672807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71336448 + 71336449.

It is an arithmetic number, because the mean of its divisors is an integer number (71336449).

Almost surely, 2^142672897 is an apocalyptic number.

It is an amenable number.

142672897 is a deficient number, since it is larger than the sum of its proper divisors (1).

142672897 is an equidigital number, since it uses as much as digits as its factorization.

142672897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 142672897 is about 11944.5760494042. The cubic root of 142672897 is about 522.5331245836.

The spelling of 142672897 in words is "one hundred forty-two million, six hundred seventy-two thousand, eight hundred ninety-seven".