144731573 has 8 divisors (see below), whose sum is σ = 165666048. Its totient is φ = 123861744.

The previous prime is 144731563. The next prime is 144731611. The reversal of 144731573 is 375137441.

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

It is a cyclic number.

It is not a de Polignac number, because 144731573 - 2⁸ = 144731317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144731563) 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, 11261 + ... + 20402.

It is an arithmetic number, because the mean of its divisors is an integer number (20708256).

Almost surely, 2^144731573 is an apocalyptic number.

It is an amenable number.

144731573 is a deficient number, since it is larger than the sum of its proper divisors (20934475).

144731573 is an equidigital number, since it uses as much as digits as its factorization.

144731573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32323.

The product of its digits is 35280, while the sum is 35.

The square root of 144731573 is about 12030.4435911566. The cubic root of 144731573 is about 525.0344019785.

The spelling of 144731573 in words is "one hundred forty-four million, seven hundred thirty-one thousand, five hundred seventy-three".