142324249 has 2 divisors, whose sum is σ = 142324250. Its totient is φ = 142324248.

The previous prime is 142324241. The next prime is 142324277. The reversal of 142324249 is 942423241.

142324249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141776649 + 547600 = 11907^2 + 740^2 .

It is an emirp because it is prime and its reverse (942423241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142324249 - 2³ = 142324241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142324249.

It is not a weakly prime, because it can be changed into another prime (142324241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71162124 + 71162125.

It is an arithmetic number, because the mean of its divisors is an integer number (71162125).

Almost surely, 2^142324249 is an apocalyptic number.

It is an amenable number.

142324249 is a deficient number, since it is larger than the sum of its proper divisors (1).

142324249 is an equidigital number, since it uses as much as digits as its factorization.

142324249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 142324249 is about 11929.9727158112. The cubic root of 142324249 is about 522.1071414862.

It can be divided in two parts, 14232 and 4249, that added together give a palindrome (18481).

The spelling of 142324249 in words is "one hundred forty-two million, three hundred twenty-four thousand, two hundred forty-nine".