146426659 has 2 divisors, whose sum is σ = 146426660. Its totient is φ = 146426658.

The previous prime is 146426639. The next prime is 146426689. The reversal of 146426659 is 956624641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146426659 - 2⁷ = 146426531 is a prime.

It is not a weakly prime, because it can be changed into another prime (146426639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73213329 + 73213330.

It is an arithmetic number, because the mean of its divisors is an integer number (73213330).

Almost surely, 2^146426659 is an apocalyptic number.

146426659 is a deficient number, since it is larger than the sum of its proper divisors (1).

146426659 is an equidigital number, since it uses as much as digits as its factorization.

146426659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 146426659 is about 12100.6883688491. The cubic root of 146426659 is about 527.0761735672.

The spelling of 146426659 in words is "one hundred forty-six million, four hundred twenty-six thousand, six hundred fifty-nine".