142744285169 has 16 divisors (see below), whose sum is σ = 151471876608. Its totient is φ = 134053715712.

The previous prime is 142744285121. The next prime is 142744285247. The reversal of 142744285169 is 961582447241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142744285169 - 2²⁰ = 142743236593 is a prime.

It is a super-2 number, since 2×142744285169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142744285169.

It is not an unprimeable number, because it can be changed into a prime (142744285069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34535627 + ... + 34539759.

It is an arithmetic number, because the mean of its divisors is an integer number (9466992288).

Almost surely, 2^142744285169 is an apocalyptic number.

It is an amenable number.

142744285169 is a deficient number, since it is larger than the sum of its proper divisors (8727591439).

142744285169 is a wasteful number, since it uses less digits than its factorization.

142744285169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104.

The product of its digits is 3870720, while the sum is 53.

The spelling of 142744285169 in words is "one hundred forty-two billion, seven hundred forty-four million, two hundred eighty-five thousand, one hundred sixty-nine".