240545100345 has 64 divisors (see below), whose sum is σ = 446419537920. Its totient is φ = 109307878400.

The previous prime is 240545100319. The next prime is 240545100349. The reversal of 240545100345 is 543001545042.

It is not a de Polignac number, because 240545100345 - 2⁶ = 240545100281 is a prime.

It is a super-2 number, since 2×240545100345² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (240545100349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 490990 + ... + 849800.

It is an arithmetic number, because the mean of its divisors is an integer number (6975305280).

Almost surely, 2^240545100345 is an apocalyptic number.

It is an amenable number.

240545100345 is a deficient number, since it is larger than the sum of its proper divisors (205874437575).

240545100345 is a wasteful number, since it uses less digits than its factorization.

240545100345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359086.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 240545100345 its reverse (543001545042), we get a palindrome (783546645387).

The spelling of 240545100345 in words is "two hundred forty billion, five hundred forty-five million, one hundred thousand, three hundred forty-five".