163145011 has 4 divisors (see below), whose sum is σ = 163247400. Its totient is φ = 163042624.

The previous prime is 163145009. The next prime is 163145029. The reversal of 163145011 is 110541361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163145011 - 2¹ = 163145009 is a prime.

It is a super-2 number, since 2×163145011² = 53232589228380242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163145051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48766 + ... + 52003.

It is an arithmetic number, because the mean of its divisors is an integer number (40811850).

Almost surely, 2^163145011 is an apocalyptic number.

163145011 is a deficient number, since it is larger than the sum of its proper divisors (102389).

163145011 is a wasteful number, since it uses less digits than its factorization.

163145011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102388.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 163145011 is about 12772.8231413419. The cubic root of 163145011 is about 546.4174990216.

Adding to 163145011 its reverse (110541361), we get a palindrome (273686372).

The spelling of 163145011 in words is "one hundred sixty-three million, one hundred forty-five thousand, eleven".