142420042254 has 32 divisors (see below), whose sum is σ = 326991329280. Its totient is φ = 40508965152.

The previous prime is 142420042249. The next prime is 142420042279. The reversal of 142420042254 is 452240024241.

It is a super-2 number, since 2×142420042254² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7593669 + ... + 7612400.

It is an arithmetic number, because the mean of its divisors is an integer number (10218479040).

Almost surely, 2^142420042254 is an apocalyptic number.

142420042254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142420042254 is an abundant number, since it is smaller than the sum of its proper divisors (184571287026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142420042254 is a wasteful number, since it uses less digits than its factorization.

142420042254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15206304.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 142420042254 its reverse (452240024241), we get a palindrome (594660066495).

The spelling of 142420042254 in words is "one hundred forty-two billion, four hundred twenty million, forty-two thousand, two hundred fifty-four".