145804668905 has 16 divisors (see below), whose sum is σ = 199969928064. Its totient is φ = 99975724800.

The previous prime is 145804668881. The next prime is 145804668937. The reversal of 145804668905 is 509866408541.

It is not a de Polignac number, because 145804668905 - 2¹⁶ = 145804603369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785969 + ... + 953601.

It is an arithmetic number, because the mean of its divisors is an integer number (12498120504).

Almost surely, 2^145804668905 is an apocalyptic number.

It is an amenable number.

145804668905 is a deficient number, since it is larger than the sum of its proper divisors (54165259159).

145804668905 is a wasteful number, since it uses less digits than its factorization.

145804668905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192496.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 145804668905 in words is "one hundred forty-five billion, eight hundred four million, six hundred sixty-eight thousand, nine hundred five".