144145155 has 64 divisors (see below), whose sum is σ = 295400448. Its totient is φ = 58268160.

The previous prime is 144145151. The next prime is 144145219. The reversal of 144145155 is 551541441.

144145155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144145155 - 2² = 144145151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144145151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41049 + ... + 44421.

It is an arithmetic number, because the mean of its divisors is an integer number (4615632).

Almost surely, 2^144145155 is an apocalyptic number.

144145155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144145155 is an abundant number, since it is smaller than the sum of its proper divisors (151255293).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144145155 is a wasteful number, since it uses less digits than its factorization.

144145155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436.

The product of its digits is 8000, while the sum is 30.

The square root of 144145155 is about 12006.0466016087. The cubic root of 144145155 is about 524.3243371598.

Adding to 144145155 its reverse (551541441), we get a palindrome (695686596).

The spelling of 144145155 in words is "one hundred forty-four million, one hundred forty-five thousand, one hundred fifty-five".