143442283 has 8 divisors (see below), whose sum is σ = 149845248. Its totient is φ = 137053224.

The previous prime is 143442269. The next prime is 143442287. The reversal of 143442283 is 382244341.

It is a happy number.

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 143442283 - 2⁵ = 143442251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143442287) 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, 21516 + ... + 27382.

It is an arithmetic number, because the mean of its divisors is an integer number (18730656).

Almost surely, 2^143442283 is an apocalyptic number.

143442283 is a deficient number, since it is larger than the sum of its proper divisors (6402965).

143442283 is a wasteful number, since it uses less digits than its factorization.

143442283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6953.

The product of its digits is 18432, while the sum is 31.

The square root of 143442283 is about 11976.7392473912. The cubic root of 143442283 is about 523.4707218590.

The spelling of 143442283 in words is "one hundred forty-three million, four hundred forty-two thousand, two hundred eighty-three".