163145480 has 16 divisors (see below), whose sum is σ = 367077420. Its totient is φ = 65258176.

The previous prime is 163145461. The next prime is 163145531. The reversal of 163145480 is 84541361.

It can be written as a sum of positive squares in 2 ways, for example, as 162970756 + 174724 = 12766^2 + 418^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039279 + ... + 2039358.

Almost surely, 2^163145480 is an apocalyptic number.

163145480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163145480 is an abundant number, since it is smaller than the sum of its proper divisors (203931940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163145480 is a wasteful number, since it uses less digits than its factorization.

163145480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078648 (or 4078644 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 163145480 is about 12772.8415006215. The cubic root of 163145480 is about 546.4180226244.

The spelling of 163145480 in words is "one hundred sixty-three million, one hundred forty-five thousand, four hundred eighty".