142420430 has 16 divisors (see below), whose sum is σ = 256498704. Its totient is φ = 56936640.

The previous prime is 142420423. The next prime is 142420433. The reversal of 142420430 is 34024241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142420433) 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, 25490 + ... + 30570.

It is an arithmetic number, because the mean of its divisors is an integer number (16031169).

Almost surely, 2^142420430 is an apocalyptic number.

142420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142420430 is a deficient number, since it is larger than the sum of its proper divisors (114078274).

142420430 is a wasteful number, since it uses less digits than its factorization.

142420430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142420430 is about 11934.0031003851. The cubic root of 142420430 is about 522.2247262258.

Adding to 142420430 its reverse (34024241), we get a palindrome (176444671).

The spelling of 142420430 in words is "one hundred forty-two million, four hundred twenty thousand, four hundred thirty".