142481149 has 2 divisors, whose sum is σ = 142481150. Its totient is φ = 142481148.

The previous prime is 142481137. The next prime is 142481179. The reversal of 142481149 is 941184241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117029124 + 25452025 = 10818^2 + 5045^2 .

It is a cyclic number.

It is not a de Polignac number, because 142481149 - 2¹⁹ = 141956861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142481179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71240574 + 71240575.

It is an arithmetic number, because the mean of its divisors is an integer number (71240575).

Almost surely, 2^142481149 is an apocalyptic number.

It is an amenable number.

142481149 is a deficient number, since it is larger than the sum of its proper divisors (1).

142481149 is an equidigital number, since it uses as much as digits as its factorization.

142481149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 142481149 is about 11936.5467786961. The cubic root of 142481149 is about 522.2989301350.

The spelling of 142481149 in words is "one hundred forty-two million, four hundred eighty-one thousand, one hundred forty-nine".