142444024 has 16 divisors (see below), whose sum is σ = 270742320. Its totient is φ = 70246080.

The previous prime is 142444021. The next prime is 142444051. The reversal of 142444024 is 420444241.

It is a self number, because there is not a number n which added to its sum of digits gives 142444024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142444021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121372 + ... + 122539.

It is an arithmetic number, because the mean of its divisors is an integer number (16921395).

Almost surely, 2^142444024 is an apocalyptic number.

It is an amenable number.

142444024 is a deficient number, since it is larger than the sum of its proper divisors (128298296).

142444024 is a wasteful number, since it uses less digits than its factorization.

142444024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243990 (or 243986 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 142444024 is about 11934.9915793854. The cubic root of 142444024 is about 522.2535626548.

Adding to 142444024 its reverse (420444241), we get a palindrome (562888265).

The spelling of 142444024 in words is "one hundred forty-two million, four hundred forty-four thousand, twenty-four".