144285733 has 2 divisors, whose sum is σ = 144285734. Its totient is φ = 144285732.

The previous prime is 144285731. The next prime is 144285737. The reversal of 144285733 is 337582441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143568324 + 717409 = 11982^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 144285733 - 2¹ = 144285731 is a prime.

Together with 144285731, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 144285692 and 144285701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144285731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72142866 + 72142867.

It is an arithmetic number, because the mean of its divisors is an integer number (72142867).

Almost surely, 2^144285733 is an apocalyptic number.

It is an amenable number.

144285733 is a deficient number, since it is larger than the sum of its proper divisors (1).

144285733 is an equidigital number, since it uses as much as digits as its factorization.

144285733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 144285733 is about 12011.8996416054. The cubic root of 144285733 is about 524.4947314132.

The spelling of 144285733 in words is "one hundred forty-four million, two hundred eighty-five thousand, seven hundred thirty-three".