143934061 has 4 divisors (see below), whose sum is σ = 146649852. Its totient is φ = 141218272.

The previous prime is 143934031. The next prime is 143934073. The reversal of 143934061 is 160439341.

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

It can be written as a sum of positive squares in 2 ways, for example, as 92525161 + 51408900 = 9619^2 + 7170^2 .

It is a cyclic number.

It is not a de Polignac number, because 143934061 - 2⁹ = 143933549 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 (143934031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357816 + ... + 1357921.

It is an arithmetic number, because the mean of its divisors is an integer number (36662463).

Almost surely, 2^143934061 is an apocalyptic number.

It is an amenable number.

143934061 is a deficient number, since it is larger than the sum of its proper divisors (2715791).

143934061 is an equidigital number, since it uses as much as digits as its factorization.

143934061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715790.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 143934061 is about 11997.2522270727. The cubic root of 143934061 is about 524.0682624295.

The spelling of 143934061 in words is "one hundred forty-three million, nine hundred thirty-four thousand, sixty-one".