2141544157 has 2 divisors, whose sum is σ = 2141544158. Its totient is φ = 2141544156.

The previous prime is 2141544089. The next prime is 2141544187. The reversal of 2141544157 is 7514451412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1756364281 + 385179876 = 41909^2 + 19626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141544157 - 2¹⁹ = 2141019869 is a prime.

It is a super-2 number, since 2×2141544157² = 9172422752761681298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141544187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070772078 + 1070772079.

It is an arithmetic number, because the mean of its divisors is an integer number (1070772079).

Almost surely, 2^2141544157 is an apocalyptic number.

It is an amenable number.

2141544157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141544157 is an equidigital number, since it uses as much as digits as its factorization.

2141544157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 34.

The square root of 2141544157 is about 46276.8209474246. The cubic root of 2141544157 is about 1288.9686199557.

Adding to 2141544157 its reverse (7514451412), we get a palindrome (9655995569).

The spelling of 2141544157 in words is "two billion, one hundred forty-one million, five hundred forty-four thousand, one hundred fifty-seven".