245707488 has 288 divisors, whose sum is σ = 814544640. Its totient is φ = 69672960.

The previous prime is 245707481. The next prime is 245707529. The reversal of 245707488 is 884707542.

245707488 is a `hidden beast` number, since 2 + 4 + 570 + 74 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245707481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3365820 + ... + 3365892.

It is an arithmetic number, because the mean of its divisors is an integer number (2828280).

Almost surely, 2^245707488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245707488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407272320).

245707488 is an abundant number, since it is smaller than the sum of its proper divisors (568837152).

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

245707488 is a wasteful number, since it uses less digits than its factorization.

245707488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 245707488 is about 15675.0594257247. The cubic root of 245707488 is about 626.3342062300.

The spelling of 245707488 in words is "two hundred forty-five million, seven hundred seven thousand, four hundred eighty-eight".