142852669 has 2 divisors, whose sum is σ = 142852670. Its totient is φ = 142852668.

The previous prime is 142852627. The next prime is 142852687. The reversal of 142852669 is 966258241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117722500 + 25130169 = 10850^2 + 5013^2 .

It is a cyclic number.

It is not a de Polignac number, because 142852669 - 2²³ = 134464061 is a prime.

It is a super-2 number, since 2×142852669² = 40813770080847122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142859669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71426334 + 71426335.

It is an arithmetic number, because the mean of its divisors is an integer number (71426335).

Almost surely, 2^142852669 is an apocalyptic number.

It is an amenable number.

142852669 is a deficient number, since it is larger than the sum of its proper divisors (1).

142852669 is an equidigital number, since it uses as much as digits as its factorization.

142852669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 142852669 is about 11952.0989370068. The cubic root of 142852669 is about 522.7525014474.

The spelling of 142852669 in words is "one hundred forty-two million, eight hundred fifty-two thousand, six hundred sixty-nine".