49143 has 4 divisors (see below), whose sum is σ = 65528. Its totient is φ = 32760.

The previous prime is 49139. The next prime is 49157. The reversal of 49143 is 34194.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49143 - 2² = 49139 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8188 + ... + 8193.

It is an arithmetic number, because the mean of its divisors is an integer number (16382).

2⁴⁹¹⁴³ is an apocalyptic number.

49143 is a deficient number, since it is larger than the sum of its proper divisors (16385).

49143 is a wasteful number, since it uses less digits than its factorization.

49143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16384.

The product of its digits is 432, while the sum is 21.

The square root of 49143 is about 221.6822049692. The cubic root of 49143 is about 36.6286198552.

It can be divided in two parts, 49 and 143, that multiplied together give a palindrome (7007).

The spelling of 49143 in words is "forty-nine thousand, one hundred forty-three".