142315443 has 12 divisors (see below), whose sum is σ = 205865920. Its totient is φ = 94738896.

The previous prime is 142315417. The next prime is 142315487. The reversal of 142315443 is 344513241.

It is a happy number.

It is not a de Polignac number, because 142315443 - 2¹⁶ = 142249907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142315403) 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 11 ways as a sum of consecutive naturals, for example, 4771 + ... + 17532.

Almost surely, 2^142315443 is an apocalyptic number.

142315443 is a deficient number, since it is larger than the sum of its proper divisors (63550477).

142315443 is a wasteful number, since it uses less digits than its factorization.

142315443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23018 (or 23015 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 142315443 is about 11929.6036396856. The cubic root of 142315443 is about 522.0963731870.

Adding to 142315443 its reverse (344513241), we get a palindrome (486828684).

The spelling of 142315443 in words is "one hundred forty-two million, three hundred fifteen thousand, four hundred forty-three".