142230143 has 16 divisors (see below), whose sum is σ = 172938240. Its totient is φ = 115286400.

The previous prime is 142230113. The next prime is 142230161. The reversal of 142230143 is 341032241.

It is a cyclic number.

It is not a de Polignac number, because 142230143 - 2¹⁰ = 142229119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142230103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16463 + ... + 23568.

It is an arithmetic number, because the mean of its divisors is an integer number (10808640).

Almost surely, 2^142230143 is an apocalyptic number.

142230143 is a deficient number, since it is larger than the sum of its proper divisors (30708097).

142230143 is a wasteful number, since it uses less digits than its factorization.

142230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40078.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 142230143 is about 11926.0279640792. The cubic root of 142230143 is about 521.9920422249.

Adding to 142230143 its reverse (341032241), we get a palindrome (483262384).

The spelling of 142230143 in words is "one hundred forty-two million, two hundred thirty thousand, one hundred forty-three".