245483784 has 320 divisors, whose sum is σ = 887927040. Its totient is φ = 61585920.

The previous prime is 245483741. The next prime is 245483801. The reversal of 245483784 is 487384542.

It is a happy number.

245483784 is a `hidden beast` number, since 24 + 548 + 3 + 7 + 84 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1356174 + ... + 1356354.

It is an arithmetic number, because the mean of its divisors is an integer number (2774772).

Almost surely, 2^245483784 is an apocalyptic number.

245483784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245483784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443963520).

245483784 is an abundant number, since it is smaller than the sum of its proper divisors (642443256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245483784 is a wasteful number, since it uses less digits than its factorization.

245483784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 229 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 245483784 is about 15667.9221340930. The cubic root of 245483784 is about 626.1440668465.

The spelling of 245483784 in words is "two hundred forty-five million, four hundred eighty-three thousand, seven hundred eighty-four".