144557541 has 24 divisors (see below), whose sum is σ = 217124544. Its totient is φ = 96111360.

The previous prime is 144557537. The next prime is 144557573. The reversal of 144557541 is 145755441.

144557541 is a `hidden beast` number, since 1 + 4 + 45 + 575 + 41 = 666.

It is not a de Polignac number, because 144557541 - 2² = 144557537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144557496 and 144557505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144557521) 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, 139696 + ... + 140726.

It is an arithmetic number, because the mean of its divisors is an integer number (9046856).

Almost surely, 2^144557541 is an apocalyptic number.

It is an amenable number.

144557541 is a deficient number, since it is larger than the sum of its proper divisors (72567003).

144557541 is an equidigital number, since it uses as much as digits as its factorization.

144557541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623 (or 1611 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 144557541 is about 12023.2084320284. The cubic root of 144557541 is about 524.8238756152.

The spelling of 144557541 in words is "one hundred forty-four million, five hundred fifty-seven thousand, five hundred forty-one".