64465546 has 4 divisors (see below), whose sum is σ = 96698322. Its totient is φ = 32232772.

The previous prime is 64465451. The next prime is 64465589. The reversal of 64465546 is 64556446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62331025 + 2134521 = 7895^2 + 1461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64465499 and 64465508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16116385 + ... + 16116388.

Almost surely, 2^64465546 is an apocalyptic number.

64465546 is a deficient number, since it is larger than the sum of its proper divisors (32232776).

64465546 is a wasteful number, since it uses less digits than its factorization.

64465546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32232775.

The product of its digits is 345600, while the sum is 40.

The square root of 64465546 is about 8029.0439032303. The cubic root of 64465546 is about 400.9675452535.

The spelling of 64465546 in words is "sixty-four million, four hundred sixty-five thousand, five hundred forty-six".