142012515 has 16 divisors (see below), whose sum is σ = 228957696. Its totient is φ = 75160800.

The previous prime is 142012499. The next prime is 142012529. The reversal of 142012515 is 515210241.

142012515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142012515 - 2⁴ = 142012499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142012491 and 142012500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34171 + ... + 38100.

It is an arithmetic number, because the mean of its divisors is an integer number (14309856).

Almost surely, 2^142012515 is an apocalyptic number.

142012515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142012515 is a deficient number, since it is larger than the sum of its proper divisors (86945181).

142012515 is a wasteful number, since it uses less digits than its factorization.

142012515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72410.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 142012515 is about 11916.9003939783. The cubic root of 142012515 is about 521.7256709496.

Adding to 142012515 its reverse (515210241), we get a palindrome (657222756).

The spelling of 142012515 in words is "one hundred forty-two million, twelve thousand, five hundred fifteen".