240145215041 has 4 divisors (see below), whose sum is σ = 240159994032. Its totient is φ = 240130436052.

The previous prime is 240145215001. The next prime is 240145215053. The reversal of 240145215041 is 140512541042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140512541042 = 2 ⋅70256270521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240145215041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 240145214995 and 240145215013.

It is not an unprimeable number, because it can be changed into a prime (240145215001) 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, 7365095 + ... + 7397628.

It is an arithmetic number, because the mean of its divisors is an integer number (60039998508).

Almost surely, 2^240145215041 is an apocalyptic number.

It is an amenable number.

240145215041 is a deficient number, since it is larger than the sum of its proper divisors (14778991).

240145215041 is a wasteful number, since it uses less digits than its factorization.

240145215041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14778990.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 240145215041 its reverse (140512541042), we get a palindrome (380657756083).

The spelling of 240145215041 in words is "two hundred forty billion, one hundred forty-five million, two hundred fifteen thousand, forty-one".