240043141 has 4 divisors (see below), whose sum is σ = 258508012. Its totient is φ = 221578272.

The previous prime is 240043123. The next prime is 240043163. The reversal of 240043141 is 141340042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141340042 = 2 ⋅70670021.

It can be written as a sum of positive squares in 2 ways, for example, as 39112516 + 200930625 = 6254^2 + 14175^2 .

It is a cyclic number.

It is not a de Polignac number, because 240043141 - 2¹⁵ = 240010373 is a prime.

It is a super-2 number, since 2×240043141² = 115241419082291762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240041141) 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 3 ways as a sum of consecutive naturals, for example, 9232416 + ... + 9232441.

It is an arithmetic number, because the mean of its divisors is an integer number (64627003).

Almost surely, 2^240043141 is an apocalyptic number.

It is an amenable number.

240043141 is a deficient number, since it is larger than the sum of its proper divisors (18464871).

240043141 is a wasteful number, since it uses less digits than its factorization.

240043141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18464870.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 240043141 is about 15493.3256920520. The cubic root of 240043141 is about 621.4837348259.

Adding to 240043141 its reverse (141340042), we get a palindrome (381383183).

The spelling of 240043141 in words is "two hundred forty million, forty-three thousand, one hundred forty-one".