142441272 has 48 divisors (see below), whose sum is σ = 399087000. Its totient is φ = 45842496.

The previous prime is 142441261. The next prime is 142441279. The reversal of 142441272 is 272144241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142441279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32022 + ... + 36197.

Almost surely, 2^142441272 is an apocalyptic number.

142441272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142441272 is an abundant number, since it is smaller than the sum of its proper divisors (256645728).

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

142441272 is a wasteful number, since it uses less digits than its factorization.

142441272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68260 (or 68253 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 142441272 is about 11934.8762875867. The cubic root of 142441272 is about 522.2501993428.

The spelling of 142441272 in words is "one hundred forty-two million, four hundred forty-one thousand, two hundred seventy-two".