149049 has 6 divisors (see below), whose sum is σ = 215306. Its totient is φ = 99360.

The previous prime is 149033. The next prime is 149053. The reversal of 149049 is 940941.

It can be written as a sum of positive squares in only one way, i.e., 90000 + 59049 = 300^2 + 243^2 .

It is not a de Polignac number, because 149049 - 2⁴ = 149033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8272 + ... + 8289.

149049 is a Friedman number, since it can be written as 9*(10^4+9^4), using all its digits and the basic arithmetic operations.

2¹⁴⁹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

149049 is a deficient number, since it is larger than the sum of its proper divisors (66257).

149049 is a wasteful number, since it uses less digits than its factorization.

149049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16567 (or 16564 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 149049 is about 386.0686467456. The cubic root of 149049 is about 53.0204027298.

The spelling of 149049 in words is "one hundred forty-nine thousand, forty-nine".