143885061 has 12 divisors (see below), whose sum is σ = 207988300. Its totient is φ = 95852160.

The previous prime is 143885041. The next prime is 143885069. The reversal of 143885061 is 160588341.

143885061 is a `hidden beast` number, since 143 + 8 + 8 + 506 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64496961 + 79388100 = 8031^2 + 8910^2 .

It is not a de Polignac number, because 143885061 - 2²³ = 135496453 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 (143885069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8781 + ... + 19101.

Almost surely, 2^143885061 is an apocalyptic number.

It is an amenable number.

143885061 is a deficient number, since it is larger than the sum of its proper divisors (64103239).

143885061 is a wasteful number, since it uses less digits than its factorization.

143885061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876 (or 11873 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 143885061 is about 11995.2099189635. The cubic root of 143885061 is about 524.0087855198.

The spelling of 143885061 in words is "one hundred forty-three million, eight hundred eighty-five thousand, sixty-one".