49168143 has 24 divisors (see below), whose sum is σ = 76592880. Its totient is φ = 30291840.

The previous prime is 49168109. The next prime is 49168159. The reversal of 49168143 is 34186194.

It is a Cunningham number, because it is equal to 7012²-1.

It is not a de Polignac number, because 49168143 - 2¹⁶ = 49102607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49168098 and 49168107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49168103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3505 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (3191370).

Almost surely, 2^49168143 is an apocalyptic number.

49168143 is a deficient number, since it is larger than the sum of its proper divisors (27424737).

49168143 is a wasteful number, since it uses less digits than its factorization.

49168143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7079 (or 7076 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 49168143 is about 7011.9999286937. Note that the first 4 decimals coincide. The cubic root of 49168143 is about 366.3486554889.

The spelling of 49168143 in words is "forty-nine million, one hundred sixty-eight thousand, one hundred forty-three".