142420429 has 8 divisors (see below), whose sum is σ = 149288832. Its totient is φ = 135713760.

The previous prime is 142420423. The next prime is 142420433. The reversal of 142420429 is 924024241.

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 142420429 - 2¹⁹ = 141896141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142420397 and 142420406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142420423) 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, 38629 + ... + 42154.

It is an arithmetic number, because the mean of its divisors is an integer number (18661104).

Almost surely, 2^142420429 is an apocalyptic number.

It is an amenable number.

142420429 is a deficient number, since it is larger than the sum of its proper divisors (6868403).

142420429 is an equidigital number, since it uses as much as digits as its factorization.

142420429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80867.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 142420429 is about 11934.0030584880. The cubic root of 142420429 is about 522.2247250035.

The spelling of 142420429 in words is "one hundred forty-two million, four hundred twenty thousand, four hundred twenty-nine".