64122345 has 24 divisors (see below), whose sum is σ = 127023936. Its totient is φ = 29312928.

The previous prime is 64122323. The next prime is 64122347. The reversal of 64122345 is 54322146.

It is not a de Polignac number, because 64122345 - 2⁶ = 64122281 is a prime.

It is a super-2 number, since 2×64122345² = 8223350256598050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64122347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101467 + ... + 102096.

It is an arithmetic number, because the mean of its divisors is an integer number (5292664).

Almost surely, 2^64122345 is an apocalyptic number.

It is an amenable number.

64122345 is a deficient number, since it is larger than the sum of its proper divisors (62901591).

64122345 is a wasteful number, since it uses less digits than its factorization.

64122345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203581 (or 203578 counting only the distinct ones).

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

The square root of 64122345 is about 8007.6429116189. The cubic root of 64122345 is about 400.2547231725.

The spelling of 64122345 in words is "sixty-four million, one hundred twenty-two thousand, three hundred forty-five".