49149 has 12 divisors (see below), whose sum is σ = 73216. Its totient is φ = 31752.

The previous prime is 49139. The next prime is 49157. The reversal of 49149 is 94194.

49149 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 49149 - 2⁵ = 49117 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

49149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324 + ... + 450.

2⁴⁹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

49149 is a deficient number, since it is larger than the sum of its proper divisors (24067).

49149 is a wasteful number, since it uses less digits than its factorization.

49149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 173 counting only the distinct ones).

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

The square root of 49149 is about 221.6957374421. The cubic root of 49149 is about 36.6301104899.

The spelling of 49149 in words is "forty-nine thousand, one hundred forty-nine".