142500017 has 8 divisors (see below), whose sum is σ = 155619360. Its totient is φ = 129408160.

The previous prime is 142499977. The next prime is 142500023. The reversal of 142500017 is 710005241.

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

It is a cyclic number.

It is not a de Polignac number, because 142500017 - 2⁶ = 142499953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142500037) 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, 4853 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (19452420).

Almost surely, 2^142500017 is an apocalyptic number.

It is an amenable number.

142500017 is a deficient number, since it is larger than the sum of its proper divisors (13119343).

142500017 is a wasteful number, since it uses less digits than its factorization.

142500017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13743.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 142500017 is about 11937.3370983649. The cubic root of 142500017 is about 522.3219841819.

Adding to 142500017 its reverse (710005241), we get a palindrome (852505258).

The spelling of 142500017 in words is "one hundred forty-two million, five hundred thousand, seventeen".