142023304 has 16 divisors (see below), whose sum is σ = 281958300. Its totient is φ = 66834432.

The previous prime is 142023293. The next prime is 142023319. The reversal of 142023304 is 403320241.

It can be written as a sum of positive squares in 2 ways, for example, as 115992900 + 26030404 = 10770^2 + 5102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522009 + ... + 522280.

Almost surely, 2^142023304 is an apocalyptic number.

It is an amenable number.

142023304 is a deficient number, since it is larger than the sum of its proper divisors (139934996).

142023304 is a wasteful number, since it uses less digits than its factorization.

142023304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044312 (or 1044308 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142023304 is about 11917.3530618170. The cubic root of 142023304 is about 521.7388828268.

Adding to 142023304 its reverse (403320241), we get a palindrome (545343545).

The spelling of 142023304 in words is "one hundred forty-two million, twenty-three thousand, three hundred four".