144572443 has 2 divisors, whose sum is σ = 144572444. Its totient is φ = 144572442.

The previous prime is 144572429. The next prime is 144572507. The reversal of 144572443 is 344275441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144572443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144572399 and 144572408.

It is not a weakly prime, because it can be changed into another prime (144572413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72286221 + 72286222.

It is an arithmetic number, because the mean of its divisors is an integer number (72286222).

Almost surely, 2^144572443 is an apocalyptic number.

144572443 is a deficient number, since it is larger than the sum of its proper divisors (1).

144572443 is an equidigital number, since it uses as much as digits as its factorization.

144572443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 34.

The square root of 144572443 is about 12023.8281341676. The cubic root of 144572443 is about 524.8419091645.

It can be divided in two parts, 14457 and 2443, that added together give a square (16900 = 130²).

The spelling of 144572443 in words is "one hundred forty-four million, five hundred seventy-two thousand, four hundred forty-three".