146126489 has 2 divisors, whose sum is σ = 146126490. Its totient is φ = 146126488.

The previous prime is 146126479. The next prime is 146126527. The reversal of 146126489 is 984621641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144480400 + 1646089 = 12020^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 146126489 - 2¹⁶ = 146060953 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (146126479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73063244 + 73063245.

It is an arithmetic number, because the mean of its divisors is an integer number (73063245).

Almost surely, 2^146126489 is an apocalyptic number.

It is an amenable number.

146126489 is a deficient number, since it is larger than the sum of its proper divisors (1).

146126489 is an equidigital number, since it uses as much as digits as its factorization.

146126489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 146126489 is about 12088.2789924786. The cubic root of 146126489 is about 526.7157640408.

The spelling of 146126489 in words is "one hundred forty-six million, one hundred twenty-six thousand, four hundred eighty-nine".