142420113 has 24 divisors (see below), whose sum is σ = 232735776. Its totient is φ = 86313600.

The previous prime is 142420111. The next prime is 142420123. The reversal of 142420113 is 311024241.

It is not a de Polignac number, because 142420113 - 2¹ = 142420111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142420111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23968 + ... + 29313.

It is an arithmetic number, because the mean of its divisors is an integer number (9697324).

Almost surely, 2^142420113 is an apocalyptic number.

It is an amenable number.

142420113 is a deficient number, since it is larger than the sum of its proper divisors (90315663).

142420113 is an equidigital number, since it uses as much as digits as its factorization.

142420113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53307 (or 53295 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142420113 is about 11933.9898190002. The cubic root of 142420113 is about 522.2243387688.

Adding to 142420113 its reverse (311024241), we get a palindrome (453444354).

The spelling of 142420113 in words is "one hundred forty-two million, four hundred twenty thousand, one hundred thirteen".