445161601 has 8 divisors (see below), whose sum is σ = 452180960. Its totient is φ = 438153408.

The previous prime is 445161557. The next prime is 445161617. The reversal of 445161601 is 106161544.

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

It is a cyclic number.

It is not a de Polignac number, because 445161601 - 2¹¹ = 445159553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445161601.

It is not an unprimeable number, because it can be changed into a prime (445161701) 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, 117190 + ... + 120928.

It is an arithmetic number, because the mean of its divisors is an integer number (56522620).

Almost surely, 2^445161601 is an apocalyptic number.

It is an amenable number.

445161601 is a deficient number, since it is larger than the sum of its proper divisors (7019359).

445161601 is a wasteful number, since it uses less digits than its factorization.

445161601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 445161601 is about 21098.8530730938. The cubic root of 445161601 is about 763.5530774500.

The spelling of 445161601 in words is "four hundred forty-five million, one hundred sixty-one thousand, six hundred one".