142055530 has 16 divisors (see below), whose sum is σ = 258337800. Its totient is φ = 56236032.

The previous prime is 142055513. The next prime is 142055549. The reversal of 142055530 is 35550241.

142055530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 123054649 + 19000881 = 11093^2 + 4359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142055495 and 142055504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72255 + ... + 74194.

Almost surely, 2^142055530 is an apocalyptic number.

142055530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142055530 is a deficient number, since it is larger than the sum of its proper divisors (116282270).

142055530 is a wasteful number, since it uses less digits than its factorization.

142055530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146553.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 142055530 is about 11918.7050471098. The cubic root of 142055530 is about 521.7783418104.

The spelling of 142055530 in words is "one hundred forty-two million, fifty-five thousand, five hundred thirty".