361072143 has 12 divisors (see below), whose sum is σ = 548998840. Its totient is φ = 228045456.

The previous prime is 361072141. The next prime is 361072171. The reversal of 361072143 is 341270163.

361072143 is a `hidden beast` number, since 3 + 610 + 7 + 2 + 1 + 43 = 666.

It is not a de Polignac number, because 361072143 - 2¹ = 361072141 is a prime.

It is a super-2 number, since 2×361072143² = 260746184901224898, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361072141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1055596 + ... + 1055937.

Almost surely, 2^361072143 is an apocalyptic number.

361072143 is a deficient number, since it is larger than the sum of its proper divisors (187926697).

361072143 is a wasteful number, since it uses less digits than its factorization.

361072143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111558 (or 2111555 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 361072143 is about 19001.8984051594. The cubic root of 361072143 is about 712.0841643710.

The spelling of 361072143 in words is "three hundred sixty-one million, seventy-two thousand, one hundred forty-three".