146208089 has 2 divisors, whose sum is σ = 146208090. Its totient is φ = 146208088.

The previous prime is 146208047. The next prime is 146208107. The reversal of 146208089 is 980802641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140825689 + 5382400 = 11867^2 + 2320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146208089 is a prime.

It is not a weakly prime, because it can be changed into another prime (146208589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73104044 + 73104045.

It is an arithmetic number, because the mean of its divisors is an integer number (73104045).

Almost surely, 2^146208089 is an apocalyptic number.

It is an amenable number.

146208089 is a deficient number, since it is larger than the sum of its proper divisors (1).

146208089 is an equidigital number, since it uses as much as digits as its factorization.

146208089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 146208089 is about 12091.6536916999. The cubic root of 146208089 is about 526.8137887243.

The spelling of 146208089 in words is "one hundred forty-six million, two hundred eight thousand, eighty-nine".