64446254 has 8 divisors (see below), whose sum is σ = 96705120. Its totient is φ = 32211216.

The previous prime is 64446227. The next prime is 64446257. The reversal of 64446254 is 45264446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64446257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4427 + ... + 12185.

It is an arithmetic number, because the mean of its divisors is an integer number (12088140).

Almost surely, 2^64446254 is an apocalyptic number.

64446254 is a deficient number, since it is larger than the sum of its proper divisors (32258866).

64446254 is a wasteful number, since it uses less digits than its factorization.

64446254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11914.

The product of its digits is 92160, while the sum is 35.

The square root of 64446254 is about 8027.8424249608. The cubic root of 64446254 is about 400.9275433293.

The spelling of 64446254 in words is "sixty-four million, four hundred forty-six thousand, two hundred fifty-four".