2143550141 has 2 divisors, whose sum is σ = 2143550142. Its totient is φ = 2143550140.

The previous prime is 2143550117. The next prime is 2143550147. The reversal of 2143550141 is 1410553412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1496916100 + 646634041 = 38690^2 + 25429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143550141 is a prime.

It is a super-2 number, since 2×2143550141² = 9189614413962239762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143550141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143550147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071775070 + 1071775071.

It is an arithmetic number, because the mean of its divisors is an integer number (1071775071).

Almost surely, 2^2143550141 is an apocalyptic number.

It is an amenable number.

2143550141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143550141 is an equidigital number, since it uses as much as digits as its factorization.

2143550141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2143550141 is about 46298.4896189930. The cubic root of 2143550141 is about 1289.3709532461.

The spelling of 2143550141 in words is "two billion, one hundred forty-three million, five hundred fifty thousand, one hundred forty-one".