142255530 has 24 divisors (see below), whose sum is σ = 369864612. Its totient is φ = 37934784.

The previous prime is 142255501. The next prime is 142255577. The reversal of 142255530 is 35552241.

It is a happy number.

142255530 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 2 ways, for example, as 120099681 + 22155849 = 10959^2 + 4707^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142255494 and 142255503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790219 + ... + 790398.

Almost surely, 2^142255530 is an apocalyptic number.

142255530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142255530 is an abundant number, since it is smaller than the sum of its proper divisors (227609082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142255530 is a wasteful number, since it uses less digits than its factorization.

142255530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580630 (or 1580627 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 142255530 is about 11927.0922692834. The cubic root of 142255530 is about 522.0230975819.

The spelling of 142255530 in words is "one hundred forty-two million, two hundred fifty-five thousand, five hundred thirty".