142450213 has 2 divisors, whose sum is σ = 142450214. Its totient is φ = 142450212.

The previous prime is 142450199. The next prime is 142450303. The reversal of 142450213 is 312054241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82573569 + 59876644 = 9087^2 + 7738^2 .

It is an emirp because it is prime and its reverse (312054241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142450213 - 2²⁵ = 108895781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142450313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71225106 + 71225107.

It is an arithmetic number, because the mean of its divisors is an integer number (71225107).

Almost surely, 2^142450213 is an apocalyptic number.

It is an amenable number.

142450213 is a deficient number, since it is larger than the sum of its proper divisors (1).

142450213 is an equidigital number, since it uses as much as digits as its factorization.

142450213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142450213 is about 11935.2508561823. The cubic root of 142450213 is about 522.2611262820.

The spelling of 142450213 in words is "one hundred forty-two million, four hundred fifty thousand, two hundred thirteen".