144272533 has 2 divisors, whose sum is σ = 144272534. Its totient is φ = 144272532.

The previous prime is 144272483. The next prime is 144272539. The reversal of 144272533 is 335272441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89245809 + 55026724 = 9447^2 + 7418^2 .

It is a cyclic number.

It is not a de Polignac number, because 144272533 - 2⁹ = 144272021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144272495 and 144272504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144272539) 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 as a sum of consecutive naturals, namely, 72136266 + 72136267.

It is an arithmetic number, because the mean of its divisors is an integer number (72136267).

Almost surely, 2^144272533 is an apocalyptic number.

It is an amenable number.

144272533 is a deficient number, since it is larger than the sum of its proper divisors (1).

144272533 is an equidigital number, since it uses as much as digits as its factorization.

144272533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 144272533 is about 12011.3501738980. The cubic root of 144272533 is about 524.4787364346.

The spelling of 144272533 in words is "one hundred forty-four million, two hundred seventy-two thousand, five hundred thirty-three".