142256829 has 32 divisors (see below), whose sum is σ = 223985664. Its totient is φ = 79174080.

The previous prime is 142256813. The next prime is 142256831. The reversal of 142256829 is 928652241.

It is not a de Polignac number, because 142256829 - 2⁴ = 142256813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142256869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94924 + ... + 96410.

It is an arithmetic number, because the mean of its divisors is an integer number (6999552).

Almost surely, 2^142256829 is an apocalyptic number.

It is an amenable number.

142256829 is a deficient number, since it is larger than the sum of its proper divisors (81728835).

142256829 is a wasteful number, since it uses less digits than its factorization.

142256829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737.

The product of its digits is 69120, while the sum is 39.

The square root of 142256829 is about 11927.1467250135. The cubic root of 142256829 is about 522.0246865206.

The spelling of 142256829 in words is "one hundred forty-two million, two hundred fifty-six thousand, eight hundred twenty-nine".