142122328 has 16 divisors (see below), whose sum is σ = 273682080. Its totient is φ = 69140448.

The previous prime is 142122269. The next prime is 142122341. The reversal of 142122328 is 823221241.

142122328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142122328² = 40397512232279168, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 239776 + ... + 240367.

It is an arithmetic number, because the mean of its divisors is an integer number (17105130).

Almost surely, 2^142122328 is an apocalyptic number.

It is an amenable number.

142122328 is a deficient number, since it is larger than the sum of its proper divisors (131559752).

142122328 is a wasteful number, since it uses less digits than its factorization.

142122328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480186 (or 480182 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 142122328 is about 11921.5069517238. The cubic root of 142122328 is about 521.8601133263.

Adding to 142122328 its reverse (823221241), we get a palindrome (965343569).

The spelling of 142122328 in words is "one hundred forty-two million, one hundred twenty-two thousand, three hundred twenty-eight".