145845546945 has 32 divisors (see below), whose sum is σ = 266803759872. Its totient is φ = 66643560192.

The previous prime is 145845546929. The next prime is 145845546947. The reversal of 145845546945 is 549645548541.

145845546945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145845546945 - 2⁴ = 145845546929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145845546947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52722 + ... + 542651.

It is an arithmetic number, because the mean of its divisors is an integer number (8337617496).

Almost surely, 2^145845546945 is an apocalyptic number.

145845546945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145845546945 is a deficient number, since it is larger than the sum of its proper divisors (120958212927).

145845546945 is a wasteful number, since it uses less digits than its factorization.

145845546945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597721.

The product of its digits is 69120000, while the sum is 60.

The spelling of 145845546945 in words is "one hundred forty-five billion, eight hundred forty-five million, five hundred forty-six thousand, nine hundred forty-five".