142243504 has 20 divisors (see below), whose sum is σ = 296796976. Its totient is φ = 65650752.

The previous prime is 142243501. The next prime is 142243511. The reversal of 142243504 is 405342241.

It is a happy number.

142243504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142243501) 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, 341724 + ... + 342139.

Almost surely, 2^142243504 is an apocalyptic number.

It is an amenable number.

142243504 is an abundant number, since it is smaller than the sum of its proper divisors (154553472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142243504 is a wasteful number, since it uses less digits than its factorization.

142243504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683884 (or 683878 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 142243504 is about 11926.5881122809. The cubic root of 142243504 is about 522.0083869020.

Adding to 142243504 its reverse (405342241), we get a palindrome (547585745).

The spelling of 142243504 in words is "one hundred forty-two million, two hundred forty-three thousand, five hundred four".