47152454 has 4 divisors (see below), whose sum is σ = 70728684. Its totient is φ = 23576226.

The previous prime is 47152397. The next prime is 47152487. The reversal of 47152454 is 45425174.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47152454.

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, 11788112 + ... + 11788115.

It is an arithmetic number, because the mean of its divisors is an integer number (17682171).

Almost surely, 2^47152454 is an apocalyptic number.

47152454 is a deficient number, since it is larger than the sum of its proper divisors (23576230).

47152454 is a wasteful number, since it uses less digits than its factorization.

47152454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23576229.

The product of its digits is 22400, while the sum is 32.

The square root of 47152454 is about 6866.7644491420. The cubic root of 47152454 is about 361.2723854377.

It can be divided in two parts, 471 and 52454, that added together give a palindrome (52925).

The spelling of 47152454 in words is "forty-seven million, one hundred fifty-two thousand, four hundred fifty-four".