149419 has 2 divisors, whose sum is σ = 149420. Its totient is φ = 149418.

The previous prime is 149417. The next prime is 149423. The reversal of 149419 is 914941.

It is a weak prime.

It is an emirp because it is prime and its reverse (914941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149419 - 2¹ = 149417 is a prime.

It is a super-2 number, since 2×149419² = 44652075122, which contains 22 as substring.

Together with 149417, it forms a pair of twin primes.

It is a Chen prime.

149419 is a lucky number.

It is a plaindrome in base 16.

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, 74709 + 74710.

It is an arithmetic number, because the mean of its divisors is an integer number (74710).

2¹⁴⁹⁴¹⁹ is an apocalyptic number.

149419 is a deficient number, since it is larger than the sum of its proper divisors (1).

149419 is an equidigital number, since it uses as much as digits as its factorization.

149419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 149419 is about 386.5475391204. The cubic root of 149419 is about 53.0642391829.

The spelling of 149419 in words is "one hundred forty-nine thousand, four hundred nineteen".