144790133 has 2 divisors, whose sum is σ = 144790134. Its totient is φ = 144790132.

The previous prime is 144790111. The next prime is 144790187. The reversal of 144790133 is 331097441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121044004 + 23746129 = 11002^2 + 4873^2 .

It is an emirp because it is prime and its reverse (331097441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144790133 - 2¹⁰ = 144789109 is a prime.

It is a super-2 number, since 2×144790133² = 41928365228315378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144790133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144790433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72395066 + 72395067.

It is an arithmetic number, because the mean of its divisors is an integer number (72395067).

Almost surely, 2^144790133 is an apocalyptic number.

It is an amenable number.

144790133 is a deficient number, since it is larger than the sum of its proper divisors (1).

144790133 is an equidigital number, since it uses as much as digits as its factorization.

144790133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 144790133 is about 12032.8771704859. The cubic root of 144790133 is about 525.1052040114.

The spelling of 144790133 in words is "one hundred forty-four million, seven hundred ninety thousand, one hundred thirty-three".