142498417 has 2 divisors, whose sum is σ = 142498418. Its totient is φ = 142498416.

The previous prime is 142498399. The next prime is 142498429. The reversal of 142498417 is 714894241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134652816 + 7845601 = 11604^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 142498417 - 2¹¹ = 142496369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142498417.

It is not a weakly prime, because it can be changed into another prime (142498457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71249208 + 71249209.

It is an arithmetic number, because the mean of its divisors is an integer number (71249209).

Almost surely, 2^142498417 is an apocalyptic number.

It is an amenable number.

142498417 is a deficient number, since it is larger than the sum of its proper divisors (1).

142498417 is an equidigital number, since it uses as much as digits as its factorization.

142498417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 142498417 is about 11937.2700815555. The cubic root of 142498417 is about 522.3200292855.

The spelling of 142498417 in words is "one hundred forty-two million, four hundred ninety-eight thousand, four hundred seventeen".