445072 has 10 divisors (see below), whose sum is σ = 862358. Its totient is φ = 222528.

The previous prime is 445069. The next prime is 445087. The reversal of 445072 is 270544.

It can be written as a sum of positive squares in only one way, i.e., 389376 + 55696 = 624^2 + 236^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13893 + ... + 13924.

2⁴⁴⁵⁰⁷² is an apocalyptic number.

It is an amenable number.

445072 is a deficient number, since it is larger than the sum of its proper divisors (417286).

445072 is a wasteful number, since it uses less digits than its factorization.

445072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27825 (or 27819 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 445072 is about 667.1371673052. The cubic root of 445072 is about 76.3501845336.

It can be divided in two parts, 4450 and 72, that multiplied together give a triangular number (320400 = T₈₀₀).

The spelling of 445072 in words is "four hundred forty-five thousand, seventy-two".