149417 has 2 divisors, whose sum is σ = 149418. Its totient is φ = 149416.

The previous prime is 149411. The next prime is 149419. The reversal of 149417 is 714941.

149417 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., 143641 + 5776 = 379^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 149417 - 2⁸ = 149161 is a prime.

Together with 149419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74708 + 74709.

It is an arithmetic number, because the mean of its divisors is an integer number (74709).

2¹⁴⁹⁴¹⁷ is an apocalyptic number.

It is an amenable number.

149417 is a deficient number, since it is larger than the sum of its proper divisors (1).

149417 is an equidigital number, since it uses as much as digits as its factorization.

149417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 149417 is about 386.5449521078. The cubic root of 149417 is about 53.0640024237.

The spelling of 149417 in words is "one hundred forty-nine thousand, four hundred seventeen".