53144145 has 24 divisors (see below), whose sum is σ = 96123456. Its totient is φ = 27110688.

The previous prime is 53144141. The next prime is 53144167. The reversal of 53144145 is 54144135.

It is a happy number.

53144145 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 53144145 - 2² = 53144141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53144141) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 24639 + ... + 26708.

It is an arithmetic number, because the mean of its divisors is an integer number (4005144).

Almost surely, 2^53144145 is an apocalyptic number.

It is an amenable number.

53144145 is a deficient number, since it is larger than the sum of its proper divisors (42979311).

53144145 is a wasteful number, since it uses less digits than its factorization.

53144145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51381 (or 51378 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 53144145 is about 7290.0030864191. The cubic root of 53144145 is about 375.9688016403.

The spelling of 53144145 in words is "fifty-three million, one hundred forty-four thousand, one hundred forty-five".