142793669 has 8 divisors (see below), whose sum is σ = 146768160. Its totient is φ = 138848976.

The previous prime is 142793663. The next prime is 142793687. The reversal of 142793669 is 966397241.

It is a happy number.

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 142793669 - 2⁴ = 142793653 is a prime.

It is a super-2 number, since 2×142793669² = 40780063812963122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142793663) 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, 2447 + ... + 17075.

It is an arithmetic number, because the mean of its divisors is an integer number (18346020).

Almost surely, 2^142793669 is an apocalyptic number.

It is an amenable number.

142793669 is a deficient number, since it is larger than the sum of its proper divisors (3974491).

142793669 is a wasteful number, since it uses less digits than its factorization.

142793669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14899.

The product of its digits is 489888, while the sum is 47.

The square root of 142793669 is about 11949.6304963794. The cubic root of 142793669 is about 522.6805236891.

The spelling of 142793669 in words is "one hundred forty-two million, seven hundred ninety-three thousand, six hundred sixty-nine".