240555145 has 16 divisors (see below), whose sum is σ = 300994560. Its totient is φ = 184330944.

The previous prime is 240555131. The next prime is 240555179. The reversal of 240555145 is 541555042.

It is a cyclic number.

It is not a de Polignac number, because 240555145 - 2⁵ = 240555113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11884 + ... + 24946.

It is an arithmetic number, because the mean of its divisors is an integer number (18812160).

Almost surely, 2^240555145 is an apocalyptic number.

It is an amenable number.

240555145 is a deficient number, since it is larger than the sum of its proper divisors (60439415).

240555145 is a wasteful number, since it uses less digits than its factorization.

240555145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13224.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 240555145 is about 15509.8402635230. The cubic root of 240555145 is about 621.9252890487.

The spelling of 240555145 in words is "two hundred forty million, five hundred fifty-five thousand, one hundred forty-five".