143391726241 has 3 divisors (see below), whose sum is σ = 143392104913. Its totient is φ = 143391347570.

The previous prime is 143391726239. The next prime is 143391726253. The reversal of 143391726241 is 142627193341.

The square root of 143391726241 is 378671.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 143391726241 - 2¹ = 143391726239 is a prime.

It is a super-2 number, since 2×143391726241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143391726941) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 189336 + ... + 568006.

Almost surely, 2^143391726241 is an apocalyptic number.

143391726241 is the 378671-st square number.

143391726241 is the 189336-th centered octagonal number.

It is an amenable number.

143391726241 is a deficient number, since it is larger than the sum of its proper divisors (378672).

143391726241 is an frugal number, since it uses more digits than its factorization.

143391726241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757342 (or 378671 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The spelling of 143391726241 in words is "one hundred forty-three billion, three hundred ninety-one million, seven hundred twenty-six thousand, two hundred forty-one".