162545447 has 2 divisors, whose sum is σ = 162545448. Its totient is φ = 162545446.

The previous prime is 162545363. The next prime is 162545459. The reversal of 162545447 is 744545261.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (744545261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162545447 - 2⁸ = 162545191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162545447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162545497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81272723 + 81272724.

It is an arithmetic number, because the mean of its divisors is an integer number (81272724).

Almost surely, 2^162545447 is an apocalyptic number.

162545447 is a deficient number, since it is larger than the sum of its proper divisors (1).

162545447 is an equidigital number, since it uses as much as digits as its factorization.

162545447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 38.

The square root of 162545447 is about 12749.3312373630. The cubic root of 162545447 is about 545.7473091296.

The spelling of 162545447 in words is "one hundred sixty-two million, five hundred forty-five thousand, four hundred forty-seven".