447452145 has 24 divisors (see below), whose sum is σ = 886382016. Its totient is φ = 204549408.

The previous prime is 447452123. The next prime is 447452167. The reversal of 447452145 is 541254744.

It is an interprime number because it is at equal distance from previous prime (447452123) and next prime (447452167).

It is not a de Polignac number, because 447452145 - 2⁶ = 447452081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 709927 + ... + 710556.

It is an arithmetic number, because the mean of its divisors is an integer number (36932584).

Almost surely, 2^447452145 is an apocalyptic number.

447452145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

447452145 is a deficient number, since it is larger than the sum of its proper divisors (438929871).

447452145 is a wasteful number, since it uses less digits than its factorization.

447452145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420501 (or 1420498 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 447452145 is about 21153.0646715789. The cubic root of 447452145 is about 764.8604384650.

The spelling of 447452145 in words is "four hundred forty-seven million, four hundred fifty-two thousand, one hundred forty-five".