144555073 has 8 divisors (see below), whose sum is σ = 155878016. Its totient is φ = 133261200.

The previous prime is 144555049. The next prime is 144555091. The reversal of 144555073 is 370555441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144555073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144555043) 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 7 ways as a sum of consecutive naturals, for example, 3688 + ... + 17398.

It is an arithmetic number, because the mean of its divisors is an integer number (19484752).

Almost surely, 2^144555073 is an apocalyptic number.

144555073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144555073 is a deficient number, since it is larger than the sum of its proper divisors (11322943).

144555073 is a wasteful number, since it uses less digits than its factorization.

144555073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14535.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 144555073 is about 12023.1057967565. The cubic root of 144555073 is about 524.8208888629.

The spelling of 144555073 in words is "one hundred forty-four million, five hundred fifty-five thousand, seventy-three".