144542445025 has 24 divisors (see below), whose sum is σ = 196193942784. Its totient is φ = 104762942400.

The previous prime is 144542445011. The next prime is 144542445029. The reversal of 144542445025 is 520544245441.

It is not a de Polignac number, because 144542445025 - 2⁹ = 144542444513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144542445029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816369 + ... + 977518.

It is an arithmetic number, because the mean of its divisors is an integer number (8174747616).

Almost surely, 2^144542445025 is an apocalyptic number.

It is an amenable number.

144542445025 is a deficient number, since it is larger than the sum of its proper divisors (51651497759).

144542445025 is a wasteful number, since it uses less digits than its factorization.

144542445025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794201 (or 1794196 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

The spelling of 144542445025 in words is "one hundred forty-four billion, five hundred forty-two million, four hundred forty-five thousand, twenty-five".