142098717 has 8 divisors (see below), whose sum is σ = 189627520. Its totient is φ = 94651200.

The previous prime is 142098709. The next prime is 142098721. The reversal of 142098717 is 717890241.

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

It is not a de Polignac number, because 142098717 - 2³ = 142098709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142098757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16117 + ... + 23322.

It is an arithmetic number, because the mean of its divisors is an integer number (23703440).

Almost surely, 2^142098717 is an apocalyptic number.

It is an amenable number.

142098717 is a deficient number, since it is larger than the sum of its proper divisors (47528803).

142098717 is a wasteful number, since it uses less digits than its factorization.

142098717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40643.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 142098717 is about 11920.5166414883. The cubic root of 142098717 is about 521.8312125859.

The spelling of 142098717 in words is "one hundred forty-two million, ninety-eight thousand, seven hundred seventeen".