142364569 has 2 divisors, whose sum is σ = 142364570. Its totient is φ = 142364568.

The previous prime is 142364543. The next prime is 142364603. The reversal of 142364569 is 965463241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140114569 + 2250000 = 11837^2 + 1500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142364569 is a prime.

It is a super-2 number, since 2×142364569² = 40535341013111522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142344569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71182284 + 71182285.

It is an arithmetic number, because the mean of its divisors is an integer number (71182285).

Almost surely, 2^142364569 is an apocalyptic number.

It is an amenable number.

142364569 is a deficient number, since it is larger than the sum of its proper divisors (1).

142364569 is an equidigital number, since it uses as much as digits as its factorization.

142364569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 142364569 is about 11931.6624575119. The cubic root of 142364569 is about 522.1564405866.

The spelling of 142364569 in words is "one hundred forty-two million, three hundred sixty-four thousand, five hundred sixty-nine".