49805143 has 8 divisors (see below), whose sum is σ = 52275168. Its totient is φ = 47360544.

The previous prime is 49805131. The next prime is 49805149. The reversal of 49805143 is 34150894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49805143 - 2¹³ = 49796951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49805099 and 49805108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49805149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2280 + ... + 10237.

It is an arithmetic number, because the mean of its divisors is an integer number (6534396).

Almost surely, 2^49805143 is an apocalyptic number.

49805143 is a deficient number, since it is larger than the sum of its proper divisors (2470025).

49805143 is a wasteful number, since it uses less digits than its factorization.

49805143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 49805143 is about 7057.2758908803. The cubic root of 49805143 is about 367.9239539422.

The spelling of 49805143 in words is "forty-nine million, eight hundred five thousand, one hundred forty-three".