145133380989 has 8 divisors (see below), whose sum is σ = 215012416320. Its totient is φ = 96755587308.

The previous prime is 145133380963. The next prime is 145133380991. The reversal of 145133380989 is 989083331541.

145133380989 is a `hidden beast` number, since 1 + 4 + 513 + 3 + 38 + 0 + 98 + 9 = 666.

It is not a de Polignac number, because 145133380989 - 2¹⁵ = 145133348221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145133380289) 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, 2687655177 + ... + 2687655230.

It is an arithmetic number, because the mean of its divisors is an integer number (26876552040).

Almost surely, 2^145133380989 is an apocalyptic number.

It is an amenable number.

145133380989 is a deficient number, since it is larger than the sum of its proper divisors (69879035331).

145133380989 is an equidigital number, since it uses as much as digits as its factorization.

145133380989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375310416 (or 5375310410 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 145133380989 in words is "one hundred forty-five billion, one hundred thirty-three million, three hundred eighty thousand, nine hundred eighty-nine".