143226620421057 has 72 divisors (see below), whose sum is σ = 212763573398376. Its totient is φ = 92843001957888.

The previous prime is 143226620421047. The next prime is 143226620421103. The reversal of 143226620421057 is 750124026622341.

143226620421057 is a `hidden beast` number, since 1 + 4 + 3 + 2 + 2 + 6 + 620 + 4 + 2 + 10 + 5 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22780297582641 + 120446322838416 = 4772871^2 + 10974804^2 .

It is not a de Polignac number, because 143226620421057 - 2¹⁹ = 143226619896769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143226620421047) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4026255523 + ... + 4026291095.

It is an arithmetic number, because the mean of its divisors is an integer number (2955049630533).

Almost surely, 2^{143226620421057} is an apocalyptic number.

It is an amenable number.

143226620421057 is a deficient number, since it is larger than the sum of its proper divisors (69536952977319).

143226620421057 is a wasteful number, since it uses less digits than its factorization.

143226620421057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36751 (or 36705 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 143226620421057 in words is "one hundred forty-three trillion, two hundred twenty-six billion, six hundred twenty million, four hundred twenty-one thousand, fifty-seven".