49144 has 8 divisors (see below), whose sum is σ = 92160. Its totient is φ = 24568.

The previous prime is 49139. The next prime is 49157. The reversal of 49144 is 44194.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

49144 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3064 + ... + 3079.

It is an arithmetic number, because the mean of its divisors is an integer number (11520).

2⁴⁹¹⁴⁴ is an apocalyptic number.

It is an amenable number.

49144 is a deficient number, since it is larger than the sum of its proper divisors (43016).

49144 is a wasteful number, since it uses less digits than its factorization.

49144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149 (or 6145 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 49144 is about 221.6844604387. The cubic root of 49144 is about 36.6288683028.

Subtracting from 49144 its reverse (44194), we obtain a triangular number (4950 = T₉₉).

It can be divided in two parts, 491 and 44, that added together give a palindrome (535).

The spelling of 49144 in words is "forty-nine thousand, one hundred forty-four".