305000240545 has 96 divisors (see below), whose sum is σ = 504329003136. Its totient is φ = 175502194560.

The previous prime is 305000240543. The next prime is 305000240563. The reversal of 305000240545 is 545042000503.

It is not a de Polignac number, because 305000240545 - 2¹ = 305000240543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305000240543) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4203262 + ... + 4275208.

It is an arithmetic number, because the mean of its divisors is an integer number (5253427116).

Almost surely, 2^305000240545 is an apocalyptic number.

305000240545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

305000240545 is a deficient number, since it is larger than the sum of its proper divisors (199328762591).

305000240545 is a wasteful number, since it uses less digits than its factorization.

305000240545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72012 (or 71983 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

It can be divided in two parts, 305000 and 240545, that added together give a palindrome (545545).

The spelling of 305000240545 in words is "three hundred five billion, two hundred forty thousand, five hundred forty-five".