900853445 has 4 divisors (see below), whose sum is σ = 1081024140. Its totient is φ = 720682752.

The previous prime is 900853439. The next prime is 900853487. The reversal of 900853445 is 544358009.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125843524 + 775009921 = 11218^2 + 27839^2 .

It is a cyclic number.

It is not a de Polignac number, because 900853445 - 2⁶ = 900853381 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 900853399 and 900853408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90085340 + ... + 90085349.

It is an arithmetic number, because the mean of its divisors is an integer number (270256035).

Almost surely, 2^900853445 is an apocalyptic number.

It is an amenable number.

900853445 is a deficient number, since it is larger than the sum of its proper divisors (180170695).

900853445 is a wasteful number, since it uses less digits than its factorization.

900853445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180170694.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 900853445 is about 30014.2207128554. The cubic root of 900853445 is about 965.7944704459.

The spelling of 900853445 in words is "nine hundred million, eight hundred fifty-three thousand, four hundred forty-five".