240155455 has 12 divisors (see below), whose sum is σ = 293743800. Its totient is φ = 188488352.

The previous prime is 240155453. The next prime is 240155479. The reversal of 240155455 is 554551042.

It is not a de Polignac number, because 240155455 - 2¹ = 240155453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240155453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5496 + ... + 22594.

It is an arithmetic number, because the mean of its divisors is an integer number (24478650).

Almost surely, 2^240155455 is an apocalyptic number.

240155455 is a deficient number, since it is larger than the sum of its proper divisors (53588345).

240155455 is an equidigital number, since it uses as much as digits as its factorization.

240155455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17210 (or 17157 counting only the distinct ones).

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

The square root of 240155455 is about 15496.9498611824. The cubic root of 240155455 is about 621.5806485727.

The spelling of 240155455 in words is "two hundred forty million, one hundred fifty-five thousand, four hundred fifty-five".