142002349 has 2 divisors, whose sum is σ = 142002350. Its totient is φ = 142002348.

The previous prime is 142002313. The next prime is 142002353. The reversal of 142002349 is 943200241.

142002349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137241225 + 4761124 = 11715^2 + 2182^2 .

It is an emirp because it is prime and its reverse (943200241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142002349 - 2⁹ = 142001837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142002359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71001174 + 71001175.

It is an arithmetic number, because the mean of its divisors is an integer number (71001175).

Almost surely, 2^142002349 is an apocalyptic number.

It is an amenable number.

142002349 is a deficient number, since it is larger than the sum of its proper divisors (1).

142002349 is an equidigital number, since it uses as much as digits as its factorization.

142002349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 142002349 is about 11916.4738492559. The cubic root of 142002349 is about 521.7132213667.

The spelling of 142002349 in words is "one hundred forty-two million, two thousand, three hundred forty-nine".