142024249 has 2 divisors, whose sum is σ = 142024250. Its totient is φ = 142024248.

The previous prime is 142024243. The next prime is 142024277. The reversal of 142024249 is 942420241.

It is an a-pointer prime, because the next prime (142024277) can be obtained adding 142024249 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88266025 + 53758224 = 9395^2 + 7332^2 .

It is a cyclic number.

It is not a de Polignac number, because 142024249 - 2⁵ = 142024217 is a prime.

It is not a weakly prime, because it can be changed into another prime (142024243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71012124 + 71012125.

It is an arithmetic number, because the mean of its divisors is an integer number (71012125).

Almost surely, 2^142024249 is an apocalyptic number.

It is an amenable number.

142024249 is a deficient number, since it is larger than the sum of its proper divisors (1).

142024249 is an equidigital number, since it uses as much as digits as its factorization.

142024249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 142024249 is about 11917.3927098170. The cubic root of 142024249 is about 521.7400400128.

The spelling of 142024249 in words is "one hundred forty-two million, twenty-four thousand, two hundred forty-nine".