9149805143 has 4 divisors (see below), whose sum is σ = 9150718248. Its totient is φ = 9148892040.

The previous prime is 9149805121. The next prime is 9149805169. The reversal of 9149805143 is 3415089419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9149805143 - 2⁸ = 9149804887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9149805094 and 9149805103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9149805103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441353 + ... + 461618.

It is an arithmetic number, because the mean of its divisors is an integer number (2287679562).

Almost surely, 2^9149805143 is an apocalyptic number.

9149805143 is a deficient number, since it is larger than the sum of its proper divisors (913105).

9149805143 is a wasteful number, since it uses less digits than its factorization.

9149805143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913104.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 9149805143 is about 95654.6138092669. The cubic root of 9149805143 is about 2091.5613846922.

The spelling of 9149805143 in words is "nine billion, one hundred forty-nine million, eight hundred five thousand, one hundred forty-three".