245757474 has 48 divisors (see below), whose sum is σ = 572259168. Its totient is φ = 75943296.

The previous prime is 245757469. The next prime is 245757497. The reversal of 245757474 is 474757542.

245757474 is a `hidden beast` number, since 2 + 4 + 5 + 7 + 574 + 74 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14509 + ... + 26495.

It is an arithmetic number, because the mean of its divisors is an integer number (11922066).

Almost surely, 2^245757474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245757474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286129584).

245757474 is an abundant number, since it is smaller than the sum of its proper divisors (326501694).

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

245757474 is a wasteful number, since it uses less digits than its factorization.

245757474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12079 (or 12076 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 45.

The square root of 245757474 is about 15676.6537883567. The cubic root of 245757474 is about 626.3766765389.

The spelling of 245757474 in words is "two hundred forty-five million, seven hundred fifty-seven thousand, four hundred seventy-four".