245744352 has 144 divisors (see below), whose sum is σ = 809303040. Its totient is φ = 69278976.

The previous prime is 245744339. The next prime is 245744357. The reversal of 245744352 is 253447542.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245744357) 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 23 ways as a sum of consecutive naturals, for example, 158493 + ... + 160035.

It is an arithmetic number, because the mean of its divisors is an integer number (5620160).

Almost surely, 2^245744352 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 245744352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404651520).

245744352 is an abundant number, since it is smaller than the sum of its proper divisors (563558688).

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

245744352 is a wasteful number, since it uses less digits than its factorization.

245744352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1634 counting only the distinct ones).

The product of its digits is 134400, while the sum is 36.

The square root of 245744352 is about 15676.2352623326. The cubic root of 245744352 is about 626.3655280668.

The spelling of 245744352 in words is "two hundred forty-five million, seven hundred forty-four thousand, three hundred fifty-two".