361220143 has 8 divisors (see below), whose sum is σ = 377531280. Its totient is φ = 345166080.

The previous prime is 361220141. The next prime is 361220177. The reversal of 361220143 is 341022163.

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 361220143 - 2¹ = 361220141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361220141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61393 + ... + 67018.

It is an arithmetic number, because the mean of its divisors is an integer number (47191410).

Almost surely, 2^361220143 is an apocalyptic number.

361220143 is a deficient number, since it is larger than the sum of its proper divisors (16311137).

361220143 is a wasteful number, since it uses less digits than its factorization.

361220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128537.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 361220143 is about 19005.7923539115. The cubic root of 361220143 is about 712.1814432320.

The spelling of 361220143 in words is "three hundred sixty-one million, two hundred twenty thousand, one hundred forty-three".