142403324 has 24 divisors (see below), whose sum is σ = 285401088. Its totient is φ = 60902640.

The previous prime is 142403299. The next prime is 142403329. The reversal of 142403324 is 423304241.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 142403324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403329) 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 7 ways as a sum of consecutive naturals, for example, 9029 + ... + 19139.

It is an arithmetic number, because the mean of its divisors is an integer number (11891712).

Almost surely, 2^142403324 is an apocalyptic number.

142403324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142403324 is an abundant number, since it is smaller than the sum of its proper divisors (142997764).

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

142403324 is a wasteful number, since it uses less digits than its factorization.

142403324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10625 (or 10623 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 142403324 is about 11933.2863872447. The cubic root of 142403324 is about 522.2038173954.

Adding to 142403324 its reverse (423304241), we get a palindrome (565707565).

The spelling of 142403324 in words is "one hundred forty-two million, four hundred three thousand, three hundred twenty-four".