447068155 has 4 divisors (see below), whose sum is σ = 536481792. Its totient is φ = 357654520.

The previous prime is 447068137. The next prime is 447068173. The reversal of 447068155 is 551860744.

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

It is an interprime number because it is at equal distance from previous prime (447068137) and next prime (447068173).

It is not a de Polignac number, because 447068155 - 2⁵ = 447068123 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 44706811 + ... + 44706820.

It is an arithmetic number, because the mean of its divisors is an integer number (134120448).

Almost surely, 2^447068155 is an apocalyptic number.

447068155 is a deficient number, since it is larger than the sum of its proper divisors (89413637).

447068155 is an equidigital number, since it uses as much as digits as its factorization.

447068155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89413636.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 447068155 is about 21143.9862608733. The cubic root of 447068155 is about 764.6415824245.

The spelling of 447068155 in words is "four hundred forty-seven million, sixty-eight thousand, one hundred fifty-five".