163086145 has 8 divisors (see below), whose sum is σ = 196090920. Its totient is φ = 130210560.

The previous prime is 163086137. The next prime is 163086149. The reversal of 163086145 is 541680361.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25633969 + 137452176 = 5063^2 + 11724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163086145 - 2³ = 163086137 is a prime.

It is a super-2 number, since 2×163086145² = 53194181381922050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163086145.

It is not an unprimeable number, because it can be changed into a prime (163086149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29496 + ... + 34585.

It is an arithmetic number, because the mean of its divisors is an integer number (24511365).

Almost surely, 2^163086145 is an apocalyptic number.

It is an amenable number.

163086145 is a deficient number, since it is larger than the sum of its proper divisors (33004775).

163086145 is an equidigital number, since it uses as much as digits as its factorization.

163086145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64595.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 163086145 is about 12770.5185877473. The cubic root of 163086145 is about 546.3517716425.

The spelling of 163086145 in words is "one hundred sixty-three million, eighty-six thousand, one hundred forty-five".