445151232 has 72 divisors (see below), whose sum is σ = 1285731720. Its totient is φ = 148377600.

The previous prime is 445151191. The next prime is 445151233. The reversal of 445151232 is 232151544.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×445151232² = 396319238702235648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445151196 and 445151205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445151233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6357 + ... + 30507.

It is an arithmetic number, because the mean of its divisors is an integer number (17857385).

Almost surely, 2^445151232 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 445151232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642865860).

445151232 is an abundant number, since it is smaller than the sum of its proper divisors (840580488).

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

445151232 is a wasteful number, since it uses less digits than its factorization.

445151232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24179 (or 24156 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 445151232 is about 21098.6073474057. The cubic root of 445151232 is about 763.5471490086.

It can be divided in two parts, 4451512 and 32, that added together give a palindrome (4451544).

The spelling of 445151232 in words is "four hundred forty-five million, one hundred fifty-one thousand, two hundred thirty-two".