142483281 has 8 divisors (see below), whose sum is σ = 190079040. Its totient is φ = 94938192.

The previous prime is 142483279. The next prime is 142483291. The reversal of 142483281 is 182384241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142483281 - 2¹ = 142483279 is a prime.

It is a super-2 number, since 2×142483281² = 40602970729049922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142483291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5530 + ... + 17763.

It is an arithmetic number, because the mean of its divisors is an integer number (23759880).

Almost surely, 2^142483281 is an apocalyptic number.

It is an amenable number.

142483281 is a deficient number, since it is larger than the sum of its proper divisors (47595759).

142483281 is a wasteful number, since it uses less digits than its factorization.

142483281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25335.

The product of its digits is 12288, while the sum is 33.

The square root of 142483281 is about 11936.6360839225. The cubic root of 142483281 is about 522.3015352417.

The spelling of 142483281 in words is "one hundred forty-two million, four hundred eighty-three thousand, two hundred eighty-one".