142330443 has 16 divisors (see below), whose sum is σ = 201240576. Its totient is φ = 89170560.

The previous prime is 142330439. The next prime is 142330451. The reversal of 142330443 is 344033241.

It is not a de Polignac number, because 142330443 - 2² = 142330439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142330343) 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, 40278 + ... + 43668.

It is an arithmetic number, because the mean of its divisors is an integer number (12577536).

Almost surely, 2^142330443 is an apocalyptic number.

142330443 is a deficient number, since it is larger than the sum of its proper divisors (58910133).

142330443 is a wasteful number, since it uses less digits than its factorization.

142330443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 142330443 is about 11930.2323112335. The cubic root of 142330443 is about 522.1147154701.

Adding to 142330443 its reverse (344033241), we get a palindrome (486363684).

The spelling of 142330443 in words is "one hundred forty-two million, three hundred thirty thousand, four hundred forty-three".