144012573 has 10 divisors (see below), whose sum is σ = 215130014. Its totient is φ = 96008328.

The previous prime is 144012551. The next prime is 144012601. The reversal of 144012573 is 375210441.

144012573 is a `hidden beast` number, since 1 + 4 + 401 + 257 + 3 = 666.

144012573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 89813529 + 54199044 = 9477^2 + 7362^2 .

It is not a de Polignac number, because 144012573 - 2⁶ = 144012509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 (144012373) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 888886 + ... + 889047.

Almost surely, 2^144012573 is an apocalyptic number.

It is an amenable number.

144012573 is a deficient number, since it is larger than the sum of its proper divisors (71117441).

144012573 is an equidigital number, since it uses as much as digits as its factorization.

144012573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777945 (or 1777936 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 144012573 is about 12000.5238635653. The cubic root of 144012573 is about 524.1635332967.

The spelling of 144012573 in words is "one hundred forty-four million, twelve thousand, five hundred seventy-three".