142800569 has 2 divisors, whose sum is σ = 142800570. Its totient is φ = 142800568.

The previous prime is 142800529. The next prime is 142800613. The reversal of 142800569 is 965008241.

142800569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115885225 + 26915344 = 10765^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 142800569 - 2¹² = 142796473 is a prime.

It is a super-2 number, since 2×142800569² = 40784005013447522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142800509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71400284 + 71400285.

It is an arithmetic number, because the mean of its divisors is an integer number (71400285).

Almost surely, 2^142800569 is an apocalyptic number.

It is an amenable number.

142800569 is a deficient number, since it is larger than the sum of its proper divisors (1).

142800569 is an equidigital number, since it uses as much as digits as its factorization.

142800569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 142800569 is about 11949.9192047478. The cubic root of 142800569 is about 522.6889424506.

The spelling of 142800569 in words is "one hundred forty-two million, eight hundred thousand, five hundred sixty-nine".