144506633 has 2 divisors, whose sum is σ = 144506634. Its totient is φ = 144506632.

The previous prime is 144506581. The next prime is 144506657. The reversal of 144506633 is 336605441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125260864 + 19245769 = 11192^2 + 4387^2 .

It is an emirp because it is prime and its reverse (336605441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144506633 - 2²² = 140312329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144506633.

It is not a weakly prime, because it can be changed into another prime (144506933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72253316 + 72253317.

It is an arithmetic number, because the mean of its divisors is an integer number (72253317).

Almost surely, 2^144506633 is an apocalyptic number.

It is an amenable number.

144506633 is a deficient number, since it is larger than the sum of its proper divisors (1).

144506633 is an equidigital number, since it uses as much as digits as its factorization.

144506633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 144506633 is about 12021.0911734335. The cubic root of 144506633 is about 524.7622603104.

The spelling of 144506633 in words is "one hundred forty-four million, five hundred six thousand, six hundred thirty-three".