163455452 has 12 divisors (see below), whose sum is σ = 287066976. Its totient is φ = 81436320.

The previous prime is 163455449. The next prime is 163455463. The reversal of 163455452 is 254554361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71588 + ... + 73835.

It is an arithmetic number, because the mean of its divisors is an integer number (23922248).

Almost surely, 2^163455452 is an apocalyptic number.

It is an amenable number.

163455452 is a deficient number, since it is larger than the sum of its proper divisors (123611524).

163455452 is a wasteful number, since it uses less digits than its factorization.

163455452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145708 (or 145706 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 163455452 is about 12784.9697692251. The cubic root of 163455452 is about 546.7638635093.

The spelling of 163455452 in words is "one hundred sixty-three million, four hundred fifty-five thousand, four hundred fifty-two".