155313426475143 has 32 divisors (see below), whose sum is σ = 233250180833280. Its totient is φ = 102122038872000.

The previous prime is 155313426475139. The next prime is 155313426475189. The reversal of 155313426475143 is 341574624313551.

155313426475143 is a `hidden beast` number, since 1 + 5 + 5 + 3 + 1 + 3 + 4 + 26 + 475 + 143 = 666.

It is not a de Polignac number, because 155313426475143 - 2² = 155313426475139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155313426475143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155313426475133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112153530 + ... + 113529912.

It is an arithmetic number, because the mean of its divisors is an integer number (7289068151040).

Almost surely, 2^{155313426475143} is an apocalyptic number.

155313426475143 is a deficient number, since it is larger than the sum of its proper divisors (77936754358137).

155313426475143 is a wasteful number, since it uses less digits than its factorization.

155313426475143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433716 (or 1433710 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 155313426475143 in words is "one hundred fifty-five trillion, three hundred thirteen billion, four hundred twenty-six million, four hundred seventy-five thousand, one hundred forty-three".