245895489 has 24 divisors (see below), whose sum is σ = 406407872. Its totient is φ = 140343840.

The previous prime is 245895467. The next prime is 245895521. The reversal of 245895489 is 984598542.

It is a happy number.

245895489 is a `hidden beast` number, since 2 + 4 + 589 + 54 + 8 + 9 = 666.

It is not a de Polignac number, because 245895489 - 2⁸ = 245895233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245895589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67074 + ... + 70644.

Almost surely, 2^245895489 is an apocalyptic number.

It is an amenable number.

245895489 is a deficient number, since it is larger than the sum of its proper divisors (160512383).

245895489 is a wasteful number, since it uses less digits than its factorization.

245895489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4674 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 245895489 is about 15681.0550984301. The cubic root of 245895489 is about 626.4939102730.

The spelling of 245895489 in words is "two hundred forty-five million, eight hundred ninety-five thousand, four hundred eighty-nine".