244151155 has 4 divisors (see below), whose sum is σ = 292981392. Its totient is φ = 195320920.

The previous prime is 244151129. The next prime is 244151177. The reversal of 244151155 is 551151442.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-244151155 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24415111 + ... + 24415120.

It is an arithmetic number, because the mean of its divisors is an integer number (73245348).

Almost surely, 2^244151155 is an apocalyptic number.

244151155 is a deficient number, since it is larger than the sum of its proper divisors (48830237).

244151155 is an equidigital number, since it uses as much as digits as its factorization.

244151155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48830236.

The product of its digits is 4000, while the sum is 28.

The square root of 244151155 is about 15625.3369563667. The cubic root of 244151155 is about 625.0089854708.

The spelling of 244151155 in words is "two hundred forty-four million, one hundred fifty-one thousand, one hundred fifty-five".