142441273 has 8 divisors (see below), whose sum is σ = 153615168. Its totient is φ = 131298384.

The previous prime is 142441261. The next prime is 142441279. The reversal of 142441273 is 372144241.

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

It is a cyclic number.

It is not a de Polignac number, because 142441273 - 2²¹ = 140344121 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2286 + ... + 17032.

It is an arithmetic number, because the mean of its divisors is an integer number (19201896).

Almost surely, 2^142441273 is an apocalyptic number.

142441273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142441273 is a deficient number, since it is larger than the sum of its proper divisors (11173895).

142441273 is a wasteful number, since it uses less digits than its factorization.

142441273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15503.

The product of its digits is 5376, while the sum is 28.

The square root of 142441273 is about 11934.8763294808. The cubic root of 142441273 is about 522.2502005650.

The spelling of 142441273 in words is "one hundred forty-two million, four hundred forty-one thousand, two hundred seventy-three".