142530015 has 16 divisors (see below), whose sum is σ = 231261696. Its totient is φ = 74944800.

The previous prime is 142529999. The next prime is 142530049. The reversal of 142530015 is 510035241.

It is not a de Polignac number, because 142530015 - 2⁴ = 142529999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142529973 and 142530000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65851 + ... + 67980.

It is an arithmetic number, because the mean of its divisors is an integer number (14453856).

Almost surely, 2^142530015 is an apocalyptic number.

142530015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142530015 is a deficient number, since it is larger than the sum of its proper divisors (88731681).

142530015 is a wasteful number, since it uses less digits than its factorization.

142530015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133910.

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

The square root of 142530015 is about 11938.5935101251. The cubic root of 142530015 is about 522.3586333366.

Adding to 142530015 its reverse (510035241), we get a palindrome (652565256).

The spelling of 142530015 in words is "one hundred forty-two million, five hundred thirty thousand, fifteen".