240455145 has 16 divisors (see below), whose sum is σ = 439689600. Its totient is φ = 109922304.

The previous prime is 240455141. The next prime is 240455147. The reversal of 240455145 is 541554042.

It is not a de Polignac number, because 240455145 - 2² = 240455141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240455141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144920 + ... + 1145129.

It is an arithmetic number, because the mean of its divisors is an integer number (27480600).

Almost surely, 2^240455145 is an apocalyptic number.

It is an amenable number.

240455145 is a deficient number, since it is larger than the sum of its proper divisors (199234455).

240455145 is a wasteful number, since it uses less digits than its factorization.

240455145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290064.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 240455145 is about 15506.6161685907. The cubic root of 240455145 is about 621.8390979332.

The spelling of 240455145 in words is "two hundred forty million, four hundred fifty-five thousand, one hundred forty-five".