445264248 has 128 divisors (see below), whose sum is σ = 1318705920. Its totient is φ = 123509760.

The previous prime is 445264247. The next prime is 445264249. The reversal of 445264248 is 842462544.

It is an interprime number because it is at equal distance from previous prime (445264247) and next prime (445264249).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445264247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469711 + ... + 470657.

It is an arithmetic number, because the mean of its divisors is an integer number (10302390).

Almost surely, 2^445264248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445264248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659352960).

445264248 is an abundant number, since it is smaller than the sum of its proper divisors (873441672).

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

445264248 is a wasteful number, since it uses less digits than its factorization.

445264248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1113 counting only the distinct ones).

The product of its digits is 245760, while the sum is 39.

The square root of 445264248 is about 21101.2854584739. The cubic root of 445264248 is about 763.6117605658.

The spelling of 445264248 in words is "four hundred forty-five million, two hundred sixty-four thousand, two hundred forty-eight".