240045273 has 24 divisors (see below), whose sum is σ = 389643072. Its totient is φ = 141295968.

The previous prime is 240045263. The next prime is 240045293. The reversal of 240045273 is 372540042.

It is not a de Polignac number, because 240045273 - 2⁴ = 240045257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240045263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41911 + ... + 47292.

It is an arithmetic number, because the mean of its divisors is an integer number (16235128).

Almost surely, 2^240045273 is an apocalyptic number.

240045273 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

240045273 is a deficient number, since it is larger than the sum of its proper divisors (149597799).

240045273 is a wasteful number, since it uses less digits than its factorization.

240045273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89245 (or 89242 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 240045273 is about 15493.3944957198. The cubic root of 240045273 is about 621.4855747721.

The spelling of 240045273 in words is "two hundred forty million, forty-five thousand, two hundred seventy-three".