447046145 has 32 divisors (see below), whose sum is σ = 662823168. Its totient is φ = 281864448.

The previous prime is 447046139. The next prime is 447046151. The reversal of 447046145 is 541640744.

It is an interprime number because it is at equal distance from previous prime (447046139) and next prime (447046151).

It is a cyclic number.

It is not a de Polignac number, because 447046145 - 2⁴ = 447046129 is a prime.

It is a super-2 number, since 2×447046145² = 399700511518722050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124262 + ... + 127808.

It is an arithmetic number, because the mean of its divisors is an integer number (20713224).

Almost surely, 2^447046145 is an apocalyptic number.

It is an amenable number.

447046145 is a deficient number, since it is larger than the sum of its proper divisors (215777023).

447046145 is a wasteful number, since it uses less digits than its factorization.

447046145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 447046145 is about 21143.4657755062. The cubic root of 447046145 is about 764.6290339743.

Adding to 447046145 its reverse (541640744), we get a palindrome (988686889).

The spelling of 447046145 in words is "four hundred forty-seven million, forty-six thousand, one hundred forty-five".