445602161 has 8 divisors (see below), whose sum is σ = 472858560. Its totient is φ = 419002672.

The previous prime is 445602151. The next prime is 445602191. The reversal of 445602161 is 161206544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445602161 is a prime.

It is a super-2 number, since 2×445602161² = 397122571775739842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445602151) 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, 162830 + ... + 165543.

It is an arithmetic number, because the mean of its divisors is an integer number (59107320).

Almost surely, 2^445602161 is an apocalyptic number.

It is an amenable number.

445602161 is a deficient number, since it is larger than the sum of its proper divisors (27256399).

445602161 is a wasteful number, since it uses less digits than its factorization.

445602161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328455.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 445602161 is about 21109.2908691884. The cubic root of 445602161 is about 763.8048811641.

The spelling of 445602161 in words is "four hundred forty-five million, six hundred two thousand, one hundred sixty-one".