149149 has 16 divisors (see below), whose sum is σ = 201600. Its totient is φ = 106560.

The previous prime is 149143. The next prime is 149153. The reversal of 149149 is 941941.

149149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 149149 - 2⁷ = 149021 is a prime.

149149 is a Rhonda number in base 8.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2¹⁴⁹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

149149 is a deficient number, since it is larger than the sum of its proper divisors (52451).

149149 is a wasteful number, since it uses less digits than its factorization.

149149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

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

The square root of 149149 is about 386.1981356765. The cubic root of 149149 is about 53.0322575672.

It can be divided in two parts, 1491 and 49, that added together give a triangular number (1540 = T₅₅).

The spelling of 149149 in words is "one hundred forty-nine thousand, one hundred forty-nine".