144545332545 has 64 divisors (see below), whose sum is σ = 258519744000. Its totient is φ = 76626570240.

The previous prime is 144545332537. The next prime is 144545332549. The reversal of 144545332545 is 545233545441.

144545332545 is a `hidden beast` number, since 1 + 4 + 4 + 54 + 53 + 3 + 2 + 545 = 666.

It is not a de Polignac number, because 144545332545 - 2³ = 144545332537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 144545332545.

It is not an unprimeable number, because it can be changed into a prime (144545332549) 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, 35486629 + ... + 35490701.

It is an arithmetic number, because the mean of its divisors is an integer number (4039371000).

Almost surely, 2^144545332545 is an apocalyptic number.

144545332545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144545332545 is a deficient number, since it is larger than the sum of its proper divisors (113974411455).

144545332545 is a wasteful number, since it uses less digits than its factorization.

144545332545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607 (or 5601 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 45.

Adding to 144545332545 its reverse (545233545441), we get a palindrome (689778877986).

The spelling of 144545332545 in words is "one hundred forty-four billion, five hundred forty-five million, three hundred thirty-two thousand, five hundred forty-five".