142334249 has 2 divisors, whose sum is σ = 142334250. Its totient is φ = 142334248.

The previous prime is 142334209. The next prime is 142334279. The reversal of 142334249 is 942433241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120055849 + 22278400 = 10957^2 + 4720^2 .

It is a cyclic number.

It is not a de Polignac number, because 142334249 - 2⁸ = 142333993 is a prime.

It is not a weakly prime, because it can be changed into another prime (142334209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71167124 + 71167125.

It is an arithmetic number, because the mean of its divisors is an integer number (71167125).

Almost surely, 2^142334249 is an apocalyptic number.

It is an amenable number.

142334249 is a deficient number, since it is larger than the sum of its proper divisors (1).

142334249 is an equidigital number, since it uses as much as digits as its factorization.

142334249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 142334249 is about 11930.3918208917. The cubic root of 142334249 is about 522.1193693138.

The spelling of 142334249 in words is "one hundred forty-two million, three hundred thirty-four thousand, two hundred forty-nine".