143232621020451 has 6 divisors (see below), whose sum is σ = 206891563696220. Its totient is φ = 95488414013628.

The previous prime is 143232621020449. The next prime is 143232621020507. The reversal of 143232621020451 is 154020126232341.

It is a happy number.

143232621020451 is a `hidden beast` number, since 1 + 4 + 3 + 2 + 3 + 2 + 621 + 0 + 20 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 143232621020451 - 2¹ = 143232621020449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143232621020051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7957367834461 + ... + 7957367834478.

Almost surely, 2^{143232621020451} is an apocalyptic number.

143232621020451 is a deficient number, since it is larger than the sum of its proper divisors (63658942675769).

143232621020451 is a wasteful number, since it uses less digits than its factorization.

143232621020451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15914735668945 (or 15914735668942 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 143232621020451 its reverse (154020126232341), we get a palindrome (297252747252792).

The spelling of 143232621020451 in words is "one hundred forty-three trillion, two hundred thirty-two billion, six hundred twenty-one million, twenty thousand, four hundred fifty-one".