142264897 has 2 divisors, whose sum is σ = 142264898. Its totient is φ = 142264896.

The previous prime is 142264883. The next prime is 142264909. The reversal of 142264897 is 798462241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134652816 + 7612081 = 11604^2 + 2759^2 .

It is a cyclic number.

It is not a de Polignac number, because 142264897 - 2¹⁹ = 141740609 is a prime.

It is a super-3 number, since 3×142264897³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (142264877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71132448 + 71132449.

It is an arithmetic number, because the mean of its divisors is an integer number (71132449).

Almost surely, 2^142264897 is an apocalyptic number.

It is an amenable number.

142264897 is a deficient number, since it is larger than the sum of its proper divisors (1).

142264897 is an equidigital number, since it uses as much as digits as its factorization.

142264897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 142264897 is about 11927.4849402546. The cubic root of 142264897 is about 522.0345550932.

The spelling of 142264897 in words is "one hundred forty-two million, two hundred sixty-four thousand, eight hundred ninety-seven".