64330145 has 16 divisors (see below), whose sum is σ = 84532032. Its totient is φ = 46608960.

The previous prime is 64330129. The next prime is 64330151. The reversal of 64330145 is 54103346.

It is not a de Polignac number, because 64330145 - 2⁴ = 64330129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13499 + ... + 17631.

It is an arithmetic number, because the mean of its divisors is an integer number (5283252).

Almost surely, 2^64330145 is an apocalyptic number.

It is an amenable number.

64330145 is a deficient number, since it is larger than the sum of its proper divisors (20201887).

64330145 is a wasteful number, since it uses less digits than its factorization.

64330145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 64330145 is about 8020.6075206308. The cubic root of 64330145 is about 400.6866227818.

It can be divided in two parts, 643301 and 45, that added together give a palindrome (643346).

The spelling of 64330145 in words is "sixty-four million, three hundred thirty thousand, one hundred forty-five".