142500015 has 48 divisors (see below), whose sum is σ = 286198848. Its totient is φ = 64240128.

The previous prime is 142499977. The next prime is 142500023. The reversal of 142500015 is 510005241.

It is not a de Polignac number, because 142500015 - 2⁸ = 142499759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19897 + ... + 26093.

It is an arithmetic number, because the mean of its divisors is an integer number (5962476).

Almost surely, 2^142500015 is an apocalyptic number.

142500015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142500015 is an abundant number, since it is smaller than the sum of its proper divisors (143698833).

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

142500015 is a wasteful number, since it uses less digits than its factorization.

142500015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 142500015 is about 11937.3370145942. The cubic root of 142500015 is about 522.3219817382.

Adding to 142500015 its reverse (510005241), we get a palindrome (652505256).

The spelling of 142500015 in words is "one hundred forty-two million, five hundred thousand, fifteen".