142866612529 has 9 divisors (see below), whose sum is σ = 143335703961. Its totient is φ = 142399054980.

The previous prime is 142866612479. The next prime is 142866612533. The reversal of 142866612529 is 925216668241.

The square root of 142866612529 is 377977.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 142866612529 - 2⁷ = 142866612401 is a prime.

It is a super-2 number, since 2×142866612529² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142866612589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 206753074 + ... + 206753764.

It is an arithmetic number, because the mean of its divisors is an integer number (15926189329).

Almost surely, 2^142866612529 is an apocalyptic number.

142866612529 is the 377977-th square number.

142866612529 is the 188989-th centered octagonal number.

It is an amenable number.

142866612529 is a deficient number, since it is larger than the sum of its proper divisors (469091432).

142866612529 is an frugal number, since it uses more digits than its factorization.

142866612529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476 (or 1238 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 142866612529 in words is "one hundred forty-two billion, eight hundred sixty-six million, six hundred twelve thousand, five hundred twenty-nine".