145173683 has 2 divisors, whose sum is σ = 145173684. Its totient is φ = 145173682.

The previous prime is 145173673. The next prime is 145173709. The reversal of 145173683 is 386371541.

145173683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145173683 - 2²⁴ = 128396467 is a prime.

It is not a weakly prime, because it can be changed into another prime (145173673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72586841 + 72586842.

It is an arithmetic number, because the mean of its divisors is an integer number (72586842).

Almost surely, 2^145173683 is an apocalyptic number.

145173683 is a deficient number, since it is larger than the sum of its proper divisors (1).

145173683 is an equidigital number, since it uses as much as digits as its factorization.

145173683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 145173683 is about 12048.8042145269. The cubic root of 145173683 is about 525.5684642208.

The spelling of 145173683 in words is "one hundred forty-five million, one hundred seventy-three thousand, six hundred eighty-three".