240253103234545 has 64 divisors (see below), whose sum is σ = 307545483998016. Its totient is φ = 179550128701440.

The previous prime is 240253103234531. The next prime is 240253103234549. The reversal of 240253103234545 is 545432301352042.

It can be written as a sum of positive squares in 32 ways, for example, as 22825308877056 + 217427794357489 = 4777584^2 + 14745433^2 .

It is not a de Polignac number, because 240253103234545 - 2²¹ = 240253101137393 is a prime.

It is a super-2 number, since 2×240253103234545² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240253103234549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6472840327 + ... + 6472877443.

It is an arithmetic number, because the mean of its divisors is an integer number (4805398187469).

Almost surely, 2^{240253103234545} is an apocalyptic number.

It is an amenable number.

240253103234545 is a deficient number, since it is larger than the sum of its proper divisors (67292380763471).

240253103234545 is a wasteful number, since it uses less digits than its factorization.

240253103234545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38470.

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 240253103234545 its reverse (545432301352042), we get a palindrome (785685404586587).

The spelling of 240253103234545 in words is "two hundred forty trillion, two hundred fifty-three billion, one hundred three million, two hundred thirty-four thousand, five hundred forty-five".