49845143 has 2 divisors, whose sum is σ = 49845144. Its totient is φ = 49845142.

The previous prime is 49845101. The next prime is 49845149. The reversal of 49845143 is 34154894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49845143 - 2¹⁴ = 49828759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49845097 and 49845106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49845149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24922571 + 24922572.

It is an arithmetic number, because the mean of its divisors is an integer number (24922572).

Almost surely, 2^49845143 is an apocalyptic number.

49845143 is a deficient number, since it is larger than the sum of its proper divisors (1).

49845143 is an equidigital number, since it uses as much as digits as its factorization.

49845143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 49845143 is about 7060.1092767747. The cubic root of 49845143 is about 368.0224244960.

The spelling of 49845143 in words is "forty-nine million, eight hundred forty-five thousand, one hundred forty-three".