163226145 has 8 divisors (see below), whose sum is σ = 261161856. Its totient is φ = 87053936.

The previous prime is 163226143. The next prime is 163226177. The reversal of 163226145 is 541622361.

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

It is a cyclic number.

It is not a de Polignac number, because 163226145 - 2¹ = 163226143 is a prime.

It is a super-2 number, since 2×163226145² = 53285548823122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163226143) 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, 5440857 + ... + 5440886.

It is an arithmetic number, because the mean of its divisors is an integer number (32645232).

Almost surely, 2^163226145 is an apocalyptic number.

163226145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163226145 is a deficient number, since it is larger than the sum of its proper divisors (97935711).

163226145 is a wasteful number, since it uses less digits than its factorization.

163226145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10881751.

The product of its digits is 8640, while the sum is 30.

The square root of 163226145 is about 12775.9987867877. The cubic root of 163226145 is about 546.5080640349.

The spelling of 163226145 in words is "one hundred sixty-three million, two hundred twenty-six thousand, one hundred forty-five".