64455346 has 4 divisors (see below), whose sum is σ = 96683022. Its totient is φ = 32227672.

The previous prime is 64455341. The next prime is 64455383. The reversal of 64455346 is 64355446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64355446 = 2 ⋅32177723.

It can be written as a sum of positive squares in only one way, i.e., 57927321 + 6528025 = 7611^2 + 2555^2 .

It is a super-3 number, since 3×64455346³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (64455341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16113835 + ... + 16113838.

Almost surely, 2^64455346 is an apocalyptic number.

64455346 is a deficient number, since it is larger than the sum of its proper divisors (32227676).

64455346 is a wasteful number, since it uses less digits than its factorization.

64455346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32227675.

The product of its digits is 172800, while the sum is 37.

The square root of 64455346 is about 8028.4086841665. The cubic root of 64455346 is about 400.9463965679.

The spelling of 64455346 in words is "sixty-four million, four hundred fifty-five thousand, three hundred forty-six".