143043451541 has 2 divisors, whose sum is σ = 143043451542. Its totient is φ = 143043451540.

The previous prime is 143043451531. The next prime is 143043451553. The reversal of 143043451541 is 145154340341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139857300625 + 3186150916 = 373975^2 + 56446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143043451541 is a prime.

It is a super-2 number, since 2×143043451541² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143043451501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71521725770 + 71521725771.

It is an arithmetic number, because the mean of its divisors is an integer number (71521725771).

Almost surely, 2^143043451541 is an apocalyptic number.

It is an amenable number.

143043451541 is a deficient number, since it is larger than the sum of its proper divisors (1).

143043451541 is an equidigital number, since it uses as much as digits as its factorization.

143043451541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 143043451541 its reverse (145154340341), we get a palindrome (288197791882).

The spelling of 143043451541 in words is "one hundred forty-three billion, forty-three million, four hundred fifty-one thousand, five hundred forty-one".