142402304 has 72 divisors (see below), whose sum is σ = 315552720. Its totient is φ = 63590400.

The previous prime is 142402301. The next prime is 142402327. The reversal of 142402304 is 403204241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171362 + ... + 172190.

Almost surely, 2^142402304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142402304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157776360).

142402304 is an abundant number, since it is smaller than the sum of its proper divisors (173150416).

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

142402304 is an equidigital number, since it uses as much as digits as its factorization.

142402304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142402304 is about 11933.2436495699. The cubic root of 142402304 is about 522.2025705866.

Adding to 142402304 its reverse (403204241), we get a palindrome (545606545).

The spelling of 142402304 in words is "one hundred forty-two million, four hundred two thousand, three hundred four".