143769130561 has 9 divisors (see below), whose sum is σ = 167244729249. Its totient is φ = 123228408324.

The previous prime is 143769130553. The next prime is 143769130607. The reversal of 143769130561 is 165031967341.

The square root of 143769130561 is 379169.

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

It is not a de Polignac number, because 143769130561 - 2³ = 143769130553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143769130511) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2627100 + ... + 2681266.

Almost surely, 2^143769130561 is an apocalyptic number.

143769130561 is the 379169-th square number.

143769130561 is the 189585-th centered octagonal number.

It is an amenable number.

143769130561 is a deficient number, since it is larger than the sum of its proper divisors (23475598688).

143769130561 is an frugal number, since it uses more digits than its factorization.

143769130561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108348 (or 54174 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 143769130561 in words is "one hundred forty-three billion, seven hundred sixty-nine million, one hundred thirty thousand, five hundred sixty-one".