445453445 has 16 divisors (see below), whose sum is σ = 541343088. Its totient is φ = 351859200.

The previous prime is 445453441. The next prime is 445453507. The reversal of 445453445 is 544354544.

It can be written as a sum of positive squares in 8 ways, for example, as 8392609 + 437060836 = 2897^2 + 20906^2 .

It is not a de Polignac number, because 445453445 - 2² = 445453441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445453399 and 445453408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445453441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133295 + ... + 136595.

It is an arithmetic number, because the mean of its divisors is an integer number (33833943).

Almost surely, 2^445453445 is an apocalyptic number.

It is an amenable number.

445453445 is a deficient number, since it is larger than the sum of its proper divisors (95889643).

445453445 is a wasteful number, since it uses less digits than its factorization.

445453445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640.

The product of its digits is 384000, while the sum is 38.

The square root of 445453445 is about 21105.7680504643. The cubic root of 445453445 is about 763.7199005427.

The spelling of 445453445 in words is "four hundred forty-five million, four hundred fifty-three thousand, four hundred forty-five".