142542304 has 12 divisors (see below), whose sum is σ = 280630224. Its totient is φ = 71271136.

The previous prime is 142542277. The next prime is 142542319. The reversal of 142542304 is 403245241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227192 + ... + 2227255.

It is an arithmetic number, because the mean of its divisors is an integer number (23385852).

Almost surely, 2^142542304 is an apocalyptic number.

It is an amenable number.

142542304 is a deficient number, since it is larger than the sum of its proper divisors (138087920).

142542304 is an equidigital number, since it uses as much as digits as its factorization.

142542304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454457 (or 4454449 counting only the distinct ones).

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

The square root of 142542304 is about 11939.1081743990. The cubic root of 142542304 is about 522.3736455682.

Adding to 142542304 its reverse (403245241), we get a palindrome (545787545).

The spelling of 142542304 in words is "one hundred forty-two million, five hundred forty-two thousand, three hundred four".