142441443 has 16 divisors (see below), whose sum is σ = 215516160. Its totient is φ = 92939688.

The previous prime is 142441427. The next prime is 142441447. The reversal of 142441443 is 344144241.

It is not a de Polignac number, because 142441443 - 2⁴ = 142441427 is a prime.

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 (142441447) 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, 54855 + ... + 57392.

It is an arithmetic number, because the mean of its divisors is an integer number (13469760).

Almost surely, 2^142441443 is an apocalyptic number.

142441443 is a deficient number, since it is larger than the sum of its proper divisors (73074717).

142441443 is a wasteful number, since it uses less digits than its factorization.

142441443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112303 (or 112297 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 142441443 is about 11934.8834514628. The cubic root of 142441443 is about 522.2504083289.

Adding to 142441443 its reverse (344144241), we get a palindrome (486585684).

It can be divided in two parts, 142441 and 443, that added together give a square (142884 = 378²).

The spelling of 142441443 in words is "one hundred forty-two million, four hundred forty-one thousand, four hundred forty-three".