142642429 has 8 divisors (see below), whose sum is σ = 143788032. Its totient is φ = 141501360.

The previous prime is 142642421. The next prime is 142642433. The reversal of 142642429 is 924246241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142642429 - 2³ = 142642421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142642394 and 142642403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142642421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87627 + ... + 89239.

It is an arithmetic number, because the mean of its divisors is an integer number (17973504).

Almost surely, 2^142642429 is an apocalyptic number.

It is an amenable number.

142642429 is a deficient number, since it is larger than the sum of its proper divisors (1145603).

142642429 is a wasteful number, since it uses less digits than its factorization.

142642429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267.

The product of its digits is 27648, while the sum is 34.

The square root of 142642429 is about 11943.3005907077. The cubic root of 142642429 is about 522.4959260383.

The spelling of 142642429 in words is "one hundred forty-two million, six hundred forty-two thousand, four hundred twenty-nine".