549152143 has 2 divisors, whose sum is σ = 549152144. Its totient is φ = 549152142.

The previous prime is 549152101. The next prime is 549152159. The reversal of 549152143 is 341251945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549152143 - 2¹⁷ = 549021071 is a prime.

It is a super-2 number, since 2×549152143² = 603136152322984898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 549152099 and 549152108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549150143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274576071 + 274576072.

It is an arithmetic number, because the mean of its divisors is an integer number (274576072).

Almost surely, 2^549152143 is an apocalyptic number.

549152143 is a deficient number, since it is larger than the sum of its proper divisors (1).

549152143 is an equidigital number, since it uses as much as digits as its factorization.

549152143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 549152143 is about 23433.9954553209. The cubic root of 549152143 is about 818.9000436084.

The spelling of 549152143 in words is "five hundred forty-nine million, one hundred fifty-two thousand, one hundred forty-three".