142510530 has 64 divisors (see below), whose sum is σ = 358795008. Its totient is φ = 36157440.

The previous prime is 142510519. The next prime is 142510559. The reversal of 142510530 is 35015241.

It is a junction number, because it is equal to n+sod(n) for n = 142510497 and 142510506.

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 31 ways as a sum of consecutive naturals, for example, 165862 + ... + 166718.

It is an arithmetic number, because the mean of its divisors is an integer number (5606172).

Almost surely, 2^142510530 is an apocalyptic number.

142510530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142510530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179397504).

142510530 is an abundant number, since it is smaller than the sum of its proper divisors (216284478).

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

142510530 is a wasteful number, since it uses less digits than its factorization.

142510530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 142510530 is about 11937.7774313312. Note that the first 3 decimals coincide. The cubic root of 142510530 is about 522.3348287089.

Adding to 142510530 its reverse (35015241), we get a palindrome (177525771).

The spelling of 142510530 in words is "one hundred forty-two million, five hundred ten thousand, five hundred thirty".