145483693 has 2 divisors, whose sum is σ = 145483694. Its totient is φ = 145483692.

The previous prime is 145483669. The next prime is 145483721. The reversal of 145483693 is 396384541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80245764 + 65237929 = 8958^2 + 8077^2 .

It is a cyclic number.

It is not a de Polignac number, because 145483693 - 2¹⁷ = 145352621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145483493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72741846 + 72741847.

It is an arithmetic number, because the mean of its divisors is an integer number (72741847).

Almost surely, 2^145483693 is an apocalyptic number.

It is an amenable number.

145483693 is a deficient number, since it is larger than the sum of its proper divisors (1).

145483693 is an equidigital number, since it uses as much as digits as its factorization.

145483693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 145483693 is about 12061.6621159772. The cubic root of 145483693 is about 525.9423052566.

The spelling of 145483693 in words is "one hundred forty-five million, four hundred eighty-three thousand, six hundred ninety-three".