144545541 has 48 divisors (see below), whose sum is σ = 237867840. Its totient is φ = 77710080.

The previous prime is 144545537. The next prime is 144545561. The reversal of 144545541 is 145545441.

It is not a de Polignac number, because 144545541 - 2² = 144545537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144545561) 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 47 ways as a sum of consecutive naturals, for example, 174370 + ... + 175196.

It is an arithmetic number, because the mean of its divisors is an integer number (4955580).

Almost surely, 2^144545541 is an apocalyptic number.

It is an amenable number.

144545541 is a deficient number, since it is larger than the sum of its proper divisors (93322299).

144545541 is a wasteful number, since it uses less digits than its factorization.

144545541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 907 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 144545541 is about 12022.7093868229. The cubic root of 144545541 is about 524.8093529996.

The spelling of 144545541 in words is "one hundred forty-four million, five hundred forty-five thousand, five hundred forty-one".