455247447 has 8 divisors (see below), whose sum is σ = 614310144. Its totient is φ = 299841528.

The previous prime is 455247433. The next prime is 455247449. The reversal of 455247447 is 744742554.

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

It is not a de Polignac number, because 455247447 - 2⁶ = 455247383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 455247399 and 455247408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455247449) 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, 913903 + ... + 914400.

It is an arithmetic number, because the mean of its divisors is an integer number (76788768).

Almost surely, 2^455247447 is an apocalyptic number.

455247447 is a deficient number, since it is larger than the sum of its proper divisors (159062697).

455247447 is a wasteful number, since it uses less digits than its factorization.

455247447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828389.

The product of its digits is 627200, while the sum is 42.

The square root of 455247447 is about 21336.5284664586. The cubic root of 455247447 is about 769.2765719032.

The spelling of 455247447 in words is "four hundred fifty-five million, two hundred forty-seven thousand, four hundred forty-seven".