144534561 has 8 divisors (see below), whose sum is σ = 204048864. Its totient is φ = 90688320.

The previous prime is 144534547. The next prime is 144534569. The reversal of 144534561 is 165435441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144534561 - 2⁶ = 144534497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144534569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416955 + ... + 1417056.

It is an arithmetic number, because the mean of its divisors is an integer number (25506108).

Almost surely, 2^144534561 is an apocalyptic number.

It is an amenable number.

144534561 is a deficient number, since it is larger than the sum of its proper divisors (59514303).

144534561 is a wasteful number, since it uses less digits than its factorization.

144534561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834031.

The product of its digits is 28800, while the sum is 33.

The square root of 144534561 is about 12022.2527423108. The cubic root of 144534561 is about 524.7960641022.

The spelling of 144534561 in words is "one hundred forty-four million, five hundred thirty-four thousand, five hundred sixty-one".