142627843 has 2 divisors, whose sum is σ = 142627844. Its totient is φ = 142627842.

The previous prime is 142627831. The next prime is 142627847. The reversal of 142627843 is 348726241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142627843 is a prime.

It is not a weakly prime, because it can be changed into another prime (142627847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71313921 + 71313922.

It is an arithmetic number, because the mean of its divisors is an integer number (71313922).

Almost surely, 2^142627843 is an apocalyptic number.

142627843 is a deficient number, since it is larger than the sum of its proper divisors (1).

142627843 is an equidigital number, since it uses as much as digits as its factorization.

142627843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 142627843 is about 11942.6899398754. The cubic root of 142627843 is about 522.4781160374.

The spelling of 142627843 in words is "one hundred forty-two million, six hundred twenty-seven thousand, eight hundred forty-three".