342486149 has 2 divisors, whose sum is σ = 342486150. Its totient is φ = 342486148.

The previous prime is 342486139. The next prime is 342486173. The reversal of 342486149 is 941684243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310393924 + 32092225 = 17618^2 + 5665^2 .

It is a cyclic number.

It is not a de Polignac number, because 342486149 - 2²⁰ = 341437573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342486139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171243074 + 171243075.

It is an arithmetic number, because the mean of its divisors is an integer number (171243075).

Almost surely, 2^342486149 is an apocalyptic number.

It is an amenable number.

342486149 is a deficient number, since it is larger than the sum of its proper divisors (1).

342486149 is an equidigital number, since it uses as much as digits as its factorization.

342486149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 342486149 is about 18506.3813048364. The cubic root of 342486149 is about 699.6502667924.

The spelling of 342486149 in words is "three hundred forty-two million, four hundred eighty-six thousand, one hundred forty-nine".