163152454 has 4 divisors (see below), whose sum is σ = 244728684. Its totient is φ = 81576226.

The previous prime is 163152443. The next prime is 163152461. The reversal of 163152454 is 454251361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454251361 = 2207 ⋅205823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40788112 + ... + 40788115.

It is an arithmetic number, because the mean of its divisors is an integer number (61182171).

Almost surely, 2^163152454 is an apocalyptic number.

163152454 is a deficient number, since it is larger than the sum of its proper divisors (81576230).

163152454 is an equidigital number, since it uses as much as digits as its factorization.

163152454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81576229.

The product of its digits is 14400, while the sum is 31.

The square root of 163152454 is about 12773.1144988213. The cubic root of 163152454 is about 546.4258084463.

It can be divided in two parts, 16315 and 2454, that added together give a square (18769 = 137²).

The spelling of 163152454 in words is "one hundred sixty-three million, one hundred fifty-two thousand, four hundred fifty-four".