142500513 has 8 divisors (see below), whose sum is σ = 200000800. Its totient is φ = 90000288.

The previous prime is 142500509. The next prime is 142500557. The reversal of 142500513 is 315005241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142500513 - 2² = 142500509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142500513.

It is not an unprimeable number, because it can be changed into a prime (142500503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1249948 + ... + 1250061.

It is an arithmetic number, because the mean of its divisors is an integer number (25000100).

Almost surely, 2^142500513 is an apocalyptic number.

It is an amenable number.

142500513 is a deficient number, since it is larger than the sum of its proper divisors (57500287).

142500513 is a wasteful number, since it uses less digits than its factorization.

142500513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500031.

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

The square root of 142500513 is about 11937.3578734995. The cubic root of 142500513 is about 522.3225901968.

Adding to 142500513 its reverse (315005241), we get a palindrome (457505754).

It can be divided in two parts, 142500 and 513, that multiplied together give a square (73102500 = 8550²).

The spelling of 142500513 in words is "one hundred forty-two million, five hundred thousand, five hundred thirteen".