142422912 has 48 divisors (see below), whose sum is σ = 409840080. Its totient is φ = 47473920.

The previous prime is 142422911. The next prime is 142422919. The reversal of 142422912 is 219224241.

142422912 is a `hidden beast` number, since 1 + 424 + 229 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142422911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60664 + ... + 62967.

It is an arithmetic number, because the mean of its divisors is an integer number (8538335).

Almost surely, 2^142422912 is an apocalyptic number.

142422912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142422912 is an abundant number, since it is smaller than the sum of its proper divisors (267417168).

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

142422912 is a wasteful number, since it uses less digits than its factorization.

142422912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123651 (or 123636 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 142422912 is about 11934.1070885090. The cubic root of 142422912 is about 522.2277598595.

It can be divided in two parts, 1424229 and 12, that added together give a palindrome (1424241).

The spelling of 142422912 in words is "one hundred forty-two million, four hundred twenty-two thousand, nine hundred twelve".