142207349 has 2 divisors, whose sum is σ = 142207350. Its totient is φ = 142207348.

The previous prime is 142207339. The next prime is 142207357. The reversal of 142207349 is 943702241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134328100 + 7879249 = 11590^2 + 2807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142207349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142207319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71103674 + 71103675.

It is an arithmetic number, because the mean of its divisors is an integer number (71103675).

Almost surely, 2^142207349 is an apocalyptic number.

It is an amenable number.

142207349 is a deficient number, since it is larger than the sum of its proper divisors (1).

142207349 is an equidigital number, since it uses as much as digits as its factorization.

142207349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 142207349 is about 11925.0722848962. The cubic root of 142207349 is about 521.9641556789.

The spelling of 142207349 in words is "one hundred forty-two million, two hundred seven thousand, three hundred forty-nine".