240002141 has 4 divisors (see below), whose sum is σ = 254119932. Its totient is φ = 225884352.

The previous prime is 240002137. The next prime is 240002143. The reversal of 240002141 is 141200042.

240002141 = 10954² + 10955².

240002141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 120012025 + 119990116 = 10955^2 + 10954^2 .

It is a cyclic number.

It is not a de Polignac number, because 240002141 - 2² = 240002137 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 (240002143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7058870 + ... + 7058903.

It is an arithmetic number, because the mean of its divisors is an integer number (63529983).

Almost surely, 2^240002141 is an apocalyptic number.

240002141 is the 10955-th centered square number.

It is an amenable number.

240002141 is a deficient number, since it is larger than the sum of its proper divisors (14117791).

240002141 is a wasteful number, since it uses less digits than its factorization.

240002141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117790.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 240002141 is about 15492.0024851534. The cubic root of 240002141 is about 621.4483491255.

Adding to 240002141 its reverse (141200042), we get a palindrome (381202183).

The spelling of 240002141 in words is "two hundred forty million, two thousand, one hundred forty-one".