146045089 has 2 divisors, whose sum is σ = 146045090. Its totient is φ = 146045088.

The previous prime is 146045087. The next prime is 146045111. The reversal of 146045089 is 980540641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76038400 + 70006689 = 8720^2 + 8367^2 .

It is an emirp because it is prime and its reverse (980540641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146045089 - 2¹ = 146045087 is a prime.

Together with 146045087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (146045087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73022544 + 73022545.

It is an arithmetic number, because the mean of its divisors is an integer number (73022545).

Almost surely, 2^146045089 is an apocalyptic number.

It is an amenable number.

146045089 is a deficient number, since it is larger than the sum of its proper divisors (1).

146045089 is an equidigital number, since it uses as much as digits as its factorization.

146045089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 146045089 is about 12084.9116256595. The cubic root of 146045089 is about 526.6179432485.

The spelling of 146045089 in words is "one hundred forty-six million, forty-five thousand, eighty-nine".