142003304 has 8 divisors (see below), whose sum is σ = 266256210. Its totient is φ = 71001648.

The previous prime is 142003259. The next prime is 142003307. The reversal of 142003304 is 403300241.

It can be written as a sum of positive squares in only one way, i.e., 123254404 + 18748900 = 11102^2 + 4330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (142003307) by changing a digit.

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, 8875199 + ... + 8875214.

Almost surely, 2^142003304 is an apocalyptic number.

It is an amenable number.

142003304 is a deficient number, since it is larger than the sum of its proper divisors (124252906).

142003304 is a wasteful number, since it uses less digits than its factorization.

142003304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17750419 (or 17750415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 142003304 is about 11916.5139197670. The cubic root of 142003304 is about 521.7143909131.

Adding to 142003304 its reverse (403300241), we get a palindrome (545303545).

The spelling of 142003304 in words is "one hundred forty-two million, three thousand, three hundred four".