142100459 has 2 divisors, whose sum is σ = 142100460. Its totient is φ = 142100458.

The previous prime is 142100437. The next prime is 142100471. The reversal of 142100459 is 954001241.

It is a strong prime.

It is an emirp because it is prime and its reverse (954001241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142100459 - 2²⁴ = 125323243 is a prime.

It is not a weakly prime, because it can be changed into another prime (142100429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71050229 + 71050230.

It is an arithmetic number, because the mean of its divisors is an integer number (71050230).

Almost surely, 2^142100459 is an apocalyptic number.

142100459 is a deficient number, since it is larger than the sum of its proper divisors (1).

142100459 is an equidigital number, since it uses as much as digits as its factorization.

142100459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 142100459 is about 11920.5897085673. The cubic root of 142100459 is about 521.8333449679.

The spelling of 142100459 in words is "one hundred forty-two million, one hundred thousand, four hundred fifty-nine".