445488 has 20 divisors (see below), whose sum is σ = 1150968. Its totient is φ = 148480.

The previous prime is 445477. The next prime is 445499. The reversal of 445488 is 884544.

It is an interprime number because it is at equal distance from previous prime (445477) and next prime (445499).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593 + ... + 4688.

2⁴⁴⁵⁴⁸⁸ is an apocalyptic number.

445488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

445488 is an abundant number, since it is smaller than the sum of its proper divisors (705480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445488 is a wasteful number, since it uses less digits than its factorization.

445488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292 (or 9286 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 445488 is about 667.4488744466. The cubic root of 445488 is about 76.3739647955.

The spelling of 445488 in words is "four hundred forty-five thousand, four hundred eighty-eight".