142242845192 has 108 divisors (see below), whose sum is σ = 318350570895. Its totient is φ = 59409106848.

The previous prime is 142242845189. The next prime is 142242845197. The reversal of 142242845192 is 291548242241.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 71121422596 + 71121422596 = 266686^2 + 266686^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=266686.

It is not an unprimeable number, because it can be changed into a prime (142242845197) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 321089723 + ... + 321090165.

Almost surely, 2^142242845192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142242845192

142242845192 is an abundant number, since it is smaller than the sum of its proper divisors (176107725703).

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

142242845192 is an frugal number, since it uses more digits than its factorization.

142242845192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 495 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The spelling of 142242845192 in words is "one hundred forty-two billion, two hundred forty-two million, eight hundred forty-five thousand, one hundred ninety-two".