149099 has 2 divisors, whose sum is σ = 149100. Its totient is φ = 149098.

The previous prime is 149087. The next prime is 149101. The reversal of 149099 is 990941.

149099 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 is a cyclic number.

It is not a de Polignac number, because 149099 - 2¹⁶ = 83563 is a prime.

Together with 149101, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (149059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74549 + 74550.

It is an arithmetic number, because the mean of its divisors is an integer number (74550).

2¹⁴⁹⁰⁹⁹ is an apocalyptic number.

149099 is a deficient number, since it is larger than the sum of its proper divisors (1).

149099 is an equidigital number, since it uses as much as digits as its factorization.

149099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 149099 is about 386.1333966390. The cubic root of 149099 is about 53.0263308111.

The spelling of 149099 in words is "one hundred forty-nine thousand, ninety-nine".