143545615361 has 16 divisors (see below), whose sum is σ = 148033920384. Its totient is φ = 139133614464.

The previous prime is 143545615337. The next prime is 143545615439. The reversal of 143545615361 is 163516545341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143545615361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143545615321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392965 + ... + 1492461.

It is an arithmetic number, because the mean of its divisors is an integer number (9252120024).

Almost surely, 2^143545615361 is an apocalyptic number.

It is an amenable number.

143545615361 is a deficient number, since it is larger than the sum of its proper divisors (4488305023).

143545615361 is a wasteful number, since it uses less digits than its factorization.

143545615361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99880.

The product of its digits is 648000, while the sum is 44.

The spelling of 143545615361 in words is "one hundred forty-three billion, five hundred forty-five million, six hundred fifteen thousand, three hundred sixty-one".