145164451133 has 8 divisors (see below), whose sum is σ = 158664246048. Its totient is φ = 131997984624.

The previous prime is 145164451097. The next prime is 145164451147. The reversal of 145164451133 is 331154461541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145164451133 - 2²⁰ = 145163402557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145164454133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83331191 + ... + 83332932.

It is an arithmetic number, because the mean of its divisors is an integer number (19833030756).

Almost surely, 2^145164451133 is an apocalyptic number.

145164451133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145164451133 is a deficient number, since it is larger than the sum of its proper divisors (13499794915).

145164451133 is a wasteful number, since it uses less digits than its factorization.

145164451133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166664203.

The product of its digits is 86400, while the sum is 38.

The spelling of 145164451133 in words is "one hundred forty-five billion, one hundred sixty-four million, four hundred fifty-one thousand, one hundred thirty-three".