64322145 has 48 divisors (see below), whose sum is σ = 120407040. Its totient is φ = 31667328.

The previous prime is 64322143. The next prime is 64322183. The reversal of 64322145 is 54122346.

64322145 is a `hidden beast` number, since 643 + 2 + 2 + 14 + 5 = 666.

It is not a de Polignac number, because 64322145 - 2¹ = 64322143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64322143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28944 + ... + 31086.

It is an arithmetic number, because the mean of its divisors is an integer number (2508480).

Almost surely, 2^64322145 is an apocalyptic number.

It is an amenable number.

64322145 is a deficient number, since it is larger than the sum of its proper divisors (56084895).

64322145 is a wasteful number, since it uses less digits than its factorization.

64322145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2203 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 64322145 is about 8020.1087897858. The cubic root of 64322145 is about 400.6700124982.

The spelling of 64322145 in words is "sixty-four million, three hundred twenty-two thousand, one hundred forty-five".