142544129 has 16 divisors (see below), whose sum is σ = 178321920. Its totient is φ = 110928960.

The previous prime is 142544123. The next prime is 142544161. The reversal of 142544129 is 921445241.

It is a cyclic number.

It is not a de Polignac number, because 142544129 - 2²⁴ = 125766913 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142544095 and 142544104.

It is not an unprimeable number, because it can be changed into a prime (142544123) 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, 7289 + ... + 18390.

It is an arithmetic number, because the mean of its divisors is an integer number (11145120).

Almost surely, 2^142544129 is an apocalyptic number.

It is an amenable number.

142544129 is a deficient number, since it is larger than the sum of its proper divisors (35777791).

142544129 is a wasteful number, since it uses less digits than its factorization.

142544129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25760.

The product of its digits is 11520, while the sum is 32.

The square root of 142544129 is about 11939.1846036486. The cubic root of 142544129 is about 522.3758749130.

It can be divided in two parts, 1425 and 44129, that added together give a palindrome (45554).

The spelling of 142544129 in words is "one hundred forty-two million, five hundred forty-four thousand, one hundred twenty-nine".