245449632 has 48 divisors (see below), whose sum is σ = 648073440. Its totient is φ = 81338112.

The previous prime is 245449549. The next prime is 245449643. The reversal of 245449632 is 236944542.

245449632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 9219 + ... + 23997.

It is an arithmetic number, because the mean of its divisors is an integer number (13501530).

Almost surely, 2^245449632 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 245449632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324036720).

245449632 is an abundant number, since it is smaller than the sum of its proper divisors (402623808).

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

245449632 is a wasteful number, since it uses less digits than its factorization.

245449632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14965 (or 14957 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 245449632 is about 15666.8322260756. The cubic root of 245449632 is about 626.1150288607.

The spelling of 245449632 in words is "two hundred forty-five million, four hundred forty-nine thousand, six hundred thirty-two".