49340143 has 2 divisors, whose sum is σ = 49340144. Its totient is φ = 49340142.

The previous prime is 49340113. The next prime is 49340149. The reversal of 49340143 is 34104394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49340143 - 2¹³ = 49331951 is a prime.

It is a super-2 number, since 2×49340143² = 4868899422520898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49340149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24670071 + 24670072.

It is an arithmetic number, because the mean of its divisors is an integer number (24670072).

Almost surely, 2^49340143 is an apocalyptic number.

49340143 is a deficient number, since it is larger than the sum of its proper divisors (1).

49340143 is an equidigital number, since it uses as much as digits as its factorization.

49340143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 49340143 is about 7024.2539105588. The cubic root of 49340143 is about 366.7753452872.

The spelling of 49340143 in words is "forty-nine million, three hundred forty thousand, one hundred forty-three".