181007000143 has 8 divisors (see below), whose sum is σ = 185460371712. Its totient is φ = 176578718616.

The previous prime is 181007000137. The next prime is 181007000147. The reversal of 181007000143 is 341000700181.

181007000143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 181007000143 - 2²⁵ = 180973445711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181007000147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6257905 + ... + 6286762.

It is an arithmetic number, because the mean of its divisors is an integer number (23182546464).

Almost surely, 2^181007000143 is an apocalyptic number.

181007000143 is a deficient number, since it is larger than the sum of its proper divisors (4453371569).

181007000143 is a wasteful number, since it uses less digits than its factorization.

181007000143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12545021.

The product of its (nonzero) digits is 672, while the sum is 25.

The spelling of 181007000143 in words is "one hundred eighty-one billion, seven million, one hundred forty-three", and thus it is an aban number.