995643445 has 8 divisors (see below), whose sum is σ = 1208197080. Its totient is φ = 787564800.

The previous prime is 995643433. The next prime is 995643449. The reversal of 995643445 is 544346599.

It can be written as a sum of positive squares in 4 ways, for example, as 998001 + 994645444 = 999^2 + 31538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 995643445 - 2⁵ = 995643413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995643449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118256 + ... + 1119145.

It is an arithmetic number, because the mean of its divisors is an integer number (151024635).

Almost surely, 2^995643445 is an apocalyptic number.

It is an amenable number.

995643445 is a deficient number, since it is larger than the sum of its proper divisors (212553635).

995643445 is a wasteful number, since it uses less digits than its factorization.

995643445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237495.

The product of its digits is 2332800, while the sum is 49.

The square root of 995643445 is about 31553.8182317133. The cubic root of 995643445 is about 998.5457010398.

The spelling of 995643445 in words is "nine hundred ninety-five million, six hundred forty-three thousand, four hundred forty-five".