240293155 has 8 divisors (see below), whose sum is σ = 292655952. Its totient is φ = 189365088.

The previous prime is 240293117. The next prime is 240293173. The reversal of 240293155 is 551392042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240293155 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 358312 + ... + 358981.

It is an arithmetic number, because the mean of its divisors is an integer number (36581994).

Almost surely, 2^240293155 is an apocalyptic number.

240293155 is a deficient number, since it is larger than the sum of its proper divisors (52362797).

240293155 is an equidigital number, since it uses as much as digits as its factorization.

240293155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717365.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 240293155 is about 15501.3920342658. The cubic root of 240293155 is about 621.6994262226.

The spelling of 240293155 in words is "two hundred forty million, two hundred ninety-three thousand, one hundred fifty-five".