162545459 has 2 divisors, whose sum is σ = 162545460. Its totient is φ = 162545458.

The previous prime is 162545447. The next prime is 162545473. The reversal of 162545459 is 954545261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162545459 is a prime.

It is not a weakly prime, because it can be changed into another prime (162545479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81272729 + 81272730.

It is an arithmetic number, because the mean of its divisors is an integer number (81272730).

Almost surely, 2^162545459 is an apocalyptic number.

162545459 is a deficient number, since it is larger than the sum of its proper divisors (1).

162545459 is an equidigital number, since it uses as much as digits as its factorization.

162545459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 41.

The square root of 162545459 is about 12749.3317079759. The cubic root of 162545459 is about 545.7473225596.

The spelling of 162545459 in words is "one hundred sixty-two million, five hundred forty-five thousand, four hundred fifty-nine".