144264155 has 16 divisors (see below), whose sum is σ = 198961920. Its totient is φ = 98367072.

The previous prime is 144264089. The next prime is 144264157. The reversal of 144264155 is 551462441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144264155 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144264157) 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, 5249 + ... + 17778.

It is an arithmetic number, because the mean of its divisors is an integer number (12435120).

Almost surely, 2^144264155 is an apocalyptic number.

144264155 is a deficient number, since it is larger than the sum of its proper divisors (54697765).

144264155 is a wasteful number, since it uses less digits than its factorization.

144264155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23218.

The product of its digits is 19200, while the sum is 32.

The square root of 144264155 is about 12011.0014153692. The cubic root of 144264155 is about 524.4685839641.

It can be divided in two parts, 14426 and 4155, that added together give a palindrome (18581).

The spelling of 144264155 in words is "one hundred forty-four million, two hundred sixty-four thousand, one hundred fifty-five".