142022569 has 8 divisors (see below), whose sum is σ = 153546120. Its totient is φ = 130584576.

The previous prime is 142022527. The next prime is 142022611. The reversal of 142022569 is 965220241.

It is an interprime number because it is at equal distance from previous prime (142022527) and next prime (142022611).

It can be written as a sum of positive squares in 4 ways, for example, as 74995600 + 67026969 = 8660^2 + 8187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142022569 - 2⁹ = 142022057 is a prime.

It is a super-2 number, since 2×142022569² = 40340820210719522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142022569.

It is not an unprimeable number, because it can be changed into a prime (142022509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17914 + ... + 24595.

It is an arithmetic number, because the mean of its divisors is an integer number (19193265).

Almost surely, 2^142022569 is an apocalyptic number.

It is an amenable number.

142022569 is a deficient number, since it is larger than the sum of its proper divisors (11523551).

142022569 is a wasteful number, since it uses less digits than its factorization.

142022569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42779.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 142022569 is about 11917.3222243925. The cubic root of 142022569 is about 521.7379827896.

The spelling of 142022569 in words is "one hundred forty-two million, twenty-two thousand, five hundred sixty-nine".