143398161 has 16 divisors (see below), whose sum is σ = 212659200. Its totient is φ = 95500944.

The previous prime is 143398139. The next prime is 143398181. The reversal of 143398161 is 161893341.

It is not a de Polignac number, because 143398161 - 2²¹ = 141301009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143398121) 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, 32400 + ... + 36558.

It is an arithmetic number, because the mean of its divisors is an integer number (13291200).

Almost surely, 2^143398161 is an apocalyptic number.

It is an amenable number.

143398161 is a deficient number, since it is larger than the sum of its proper divisors (69261039).

143398161 is a wasteful number, since it uses less digits than its factorization.

143398161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445 (or 5439 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 143398161 is about 11974.8971185560. The cubic root of 143398161 is about 523.4170441864.

It can be divided in two parts, 14339 and 8161, that added together give a square (22500 = 150²).

The spelling of 143398161 in words is "one hundred forty-three million, three hundred ninety-eight thousand, one hundred sixty-one".