143137284161 has 2 divisors, whose sum is σ = 143137284162. Its totient is φ = 143137284160.

The previous prime is 143137284119. The next prime is 143137284197. The reversal of 143137284161 is 161482731341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76795494400 + 66341789761 = 277120^2 + 257569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143137284161 is a prime.

It is a super-2 number, since 2×143137284161² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143137224161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71568642080 + 71568642081.

It is an arithmetic number, because the mean of its divisors is an integer number (71568642081).

Almost surely, 2^143137284161 is an apocalyptic number.

It is an amenable number.

143137284161 is a deficient number, since it is larger than the sum of its proper divisors (1).

143137284161 is an equidigital number, since it uses as much as digits as its factorization.

143137284161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The spelling of 143137284161 in words is "one hundred forty-three billion, one hundred thirty-seven million, two hundred eighty-four thousand, one hundred sixty-one".