144530243 has 16 divisors (see below), whose sum is σ = 179788896. Its totient is φ = 114147840.

The previous prime is 144530233. The next prime is 144530249. The reversal of 144530243 is 342035441.

144530243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144530243 - 2⁶ = 144530179 is a prime.

It is a super-2 number, since 2×144530243² = 41777982283278098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144530249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27296 + ... + 32157.

It is an arithmetic number, because the mean of its divisors is an integer number (11236806).

Almost surely, 2^144530243 is an apocalyptic number.

144530243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144530243 is a deficient number, since it is larger than the sum of its proper divisors (35258653).

144530243 is a wasteful number, since it uses less digits than its factorization.

144530243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59494.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 144530243 is about 12022.0731573219. The cubic root of 144530243 is about 524.7908379197.

Adding to 144530243 its reverse (342035441), we get a palindrome (486565684).

The spelling of 144530243 in words is "one hundred forty-four million, five hundred thirty thousand, two hundred forty-three".