142694803 has 2 divisors, whose sum is σ = 142694804. Its totient is φ = 142694802.

The previous prime is 142694749. The next prime is 142694813. The reversal of 142694803 is 308496241.

It is a strong prime.

It is an emirp because it is prime and its reverse (308496241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142694803 - 2⁹ = 142694291 is a prime.

It is not a weakly prime, because it can be changed into another prime (142694813) 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 as a sum of consecutive naturals, namely, 71347401 + 71347402.

It is an arithmetic number, because the mean of its divisors is an integer number (71347402).

Almost surely, 2^142694803 is an apocalyptic number.

142694803 is a deficient number, since it is larger than the sum of its proper divisors (1).

142694803 is an equidigital number, since it uses as much as digits as its factorization.

142694803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 142694803 is about 11945.4929994538. The cubic root of 142694803 is about 522.5598664644.

The spelling of 142694803 in words is "one hundred forty-two million, six hundred ninety-four thousand, eight hundred three".