144213549 has 8 divisors (see below), whose sum is σ = 198915360. Its totient is φ = 92827056.

The previous prime is 144213541. The next prime is 144213551. The reversal of 144213549 is 945312441.

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

It is not a de Polignac number, because 144213549 - 2³ = 144213541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144213541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828727 + ... + 828900.

It is an arithmetic number, because the mean of its divisors is an integer number (24864420).

Almost surely, 2^144213549 is an apocalyptic number.

It is an amenable number.

144213549 is a deficient number, since it is larger than the sum of its proper divisors (54701811).

144213549 is a wasteful number, since it uses less digits than its factorization.

144213549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657659.

The product of its digits is 17280, while the sum is 33.

The square root of 144213549 is about 12008.8945786030. The cubic root of 144213549 is about 524.4072511930.

The spelling of 144213549 in words is "one hundred forty-four million, two hundred thirteen thousand, five hundred forty-nine".