142944034569 has 24 divisors (see below), whose sum is σ = 221448951360. Its totient is φ = 80343207360.

The previous prime is 142944034567. The next prime is 142944034609. The reversal of 142944034569 is 965430449241.

It is a happy number.

It is not a de Polignac number, because 142944034569 - 2¹ = 142944034567 is a prime.

It is a super-2 number, since 2×142944034569² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142944034567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 836514 + ... + 992795.

It is an arithmetic number, because the mean of its divisors is an integer number (9227039640).

Almost surely, 2^142944034569 is an apocalyptic number.

It is an amenable number.

142944034569 is a deficient number, since it is larger than the sum of its proper divisors (78504916791).

142944034569 is an equidigital number, since it uses as much as digits as its factorization.

142944034569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829441 (or 1829380 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 142944034569 in words is "one hundred forty-two billion, nine hundred forty-four million, thirty-four thousand, five hundred sixty-nine".