144945845 has 16 divisors (see below), whose sum is σ = 191885760. Its totient is φ = 104227200.

The previous prime is 144945841. The next prime is 144945869. The reversal of 144945845 is 548549441.

144945845 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 144945845 - 2² = 144945841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144945796 and 144945805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144945841) 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, 9911 + ... + 19700.

It is an arithmetic number, because the mean of its divisors is an integer number (11992860).

Almost surely, 2^144945845 is an apocalyptic number.

It is an amenable number.

144945845 is a deficient number, since it is larger than the sum of its proper divisors (46939915).

144945845 is a wasteful number, since it uses less digits than its factorization.

144945845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29716.

The product of its digits is 460800, while the sum is 44.

The square root of 144945845 is about 12039.3457048130. The cubic root of 144945845 is about 525.2933749555.

The spelling of 144945845 in words is "one hundred forty-four million, nine hundred forty-five thousand, eight hundred forty-five".