142053859 has 2 divisors, whose sum is σ = 142053860. Its totient is φ = 142053858.

The previous prime is 142053827. The next prime is 142053871. The reversal of 142053859 is 958350241.

It is a strong prime.

It is an emirp because it is prime and its reverse (958350241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142053859 - 2⁵ = 142053827 is a prime.

It is not a weakly prime, because it can be changed into another prime (142053259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71026929 + 71026930.

It is an arithmetic number, because the mean of its divisors is an integer number (71026930).

Almost surely, 2^142053859 is an apocalyptic number.

142053859 is a deficient number, since it is larger than the sum of its proper divisors (1).

142053859 is an equidigital number, since it uses as much as digits as its factorization.

142053859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 142053859 is about 11918.6349470063. The cubic root of 142053859 is about 521.7762959086.

The spelling of 142053859 in words is "one hundred forty-two million, fifty-three thousand, eight hundred fifty-nine".