900245 has 8 divisors (see below), whose sum is σ = 1085400. Its totient is φ = 716800.

The previous prime is 900241. The next prime is 900253. The reversal of 900245 is 542009.

It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 508369 = 626^2 + 713^2 .

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

It is not a de Polignac number, because 900245 - 2² = 900241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900241) 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, 1781 + ... + 2229.

It is an arithmetic number, because the mean of its divisors is an integer number (135675).

2⁹⁰⁰²⁴⁵ is an apocalyptic number.

It is an amenable number.

900245 is a deficient number, since it is larger than the sum of its proper divisors (185155).

900245 is a wasteful number, since it uses less digits than its factorization.

900245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 900245 is about 948.8124156017. The cubic root of 900245 is about 96.5576985879.

The spelling of 900245 in words is "nine hundred thousand, two hundred forty-five".