144195833 has 2 divisors, whose sum is σ = 144195834. Its totient is φ = 144195832.

The previous prime is 144195757. The next prime is 144195841. The reversal of 144195833 is 338591441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100741369 + 43454464 = 10037^2 + 6592^2 .

It is a cyclic number.

It is not a de Polignac number, because 144195833 - 2¹² = 144191737 is a prime.

It is equal to p_8135867 and since 144195833 and 8135867 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (144195133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72097916 + 72097917.

It is an arithmetic number, because the mean of its divisors is an integer number (72097917).

Almost surely, 2^144195833 is an apocalyptic number.

It is an amenable number.

144195833 is a deficient number, since it is larger than the sum of its proper divisors (1).

144195833 is an equidigital number, since it uses as much as digits as its factorization.

144195833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 144195833 is about 12008.1569360165. The cubic root of 144195833 is about 524.3857766058.

The spelling of 144195833 in words is "one hundred forty-four million, one hundred ninety-five thousand, eight hundred thirty-three".