142414281 has 12 divisors (see below), whose sum is σ = 213328752. Its totient is φ = 94942692.

The previous prime is 142414243. The next prime is 142414297. The reversal of 142414281 is 182414241.

It is a de Polignac number, because none of the positive numbers 2^k-142414281 is a prime.

It is a super-2 number, since 2×142414281² = 40563654865493922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142414201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292791 + ... + 293276.

It is an arithmetic number, because the mean of its divisors is an integer number (17777396).

Almost surely, 2^142414281 is an apocalyptic number.

It is an amenable number.

142414281 is a deficient number, since it is larger than the sum of its proper divisors (70914471).

142414281 is an frugal number, since it uses more digits than its factorization.

142414281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586082 (or 586070 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 142414281 is about 11933.7454723988. The cubic root of 142414281 is about 522.2172104359.

The spelling of 142414281 in words is "one hundred forty-two million, four hundred fourteen thousand, two hundred eighty-one".