445645162 has 16 divisors (see below), whose sum is σ = 678349440. Its totient is φ = 219540672.

The previous prime is 445645141. The next prime is 445645169. The reversal of 445645162 is 261546544.

It is a super-2 number, since 2×445645162² = 397199220828012488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445645169) 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, 79938 + ... + 85330.

It is an arithmetic number, because the mean of its divisors is an integer number (42396840).

Almost surely, 2^445645162 is an apocalyptic number.

445645162 is a deficient number, since it is larger than the sum of its proper divisors (232704278).

445645162 is a wasteful number, since it uses less digits than its factorization.

445645162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997.

The product of its digits is 115200, while the sum is 37.

The square root of 445645162 is about 21110.3093771740. The cubic root of 445645162 is about 763.8294496545.

The spelling of 445645162 in words is "four hundred forty-five million, six hundred forty-five thousand, one hundred sixty-two".