245664632 has 8 divisors (see below), whose sum is σ = 460621200. Its totient is φ = 122832312.

The previous prime is 245664631. The next prime is 245664647. The reversal of 245664632 is 236466542.

245664632 is digitally balanced in base 2, 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 (8).

It is a super-2 number, since 2×245664632² = 120702222831390848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245664631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15354032 + ... + 15354047.

It is an arithmetic number, because the mean of its divisors is an integer number (57577650).

Almost surely, 2^245664632 is an apocalyptic number.

It is an amenable number.

245664632 is a deficient number, since it is larger than the sum of its proper divisors (214956568).

245664632 is a wasteful number, since it uses less digits than its factorization.

245664632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30708085 (or 30708081 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 245664632 is about 15673.6923537500. The cubic root of 245664632 is about 626.2977892968.

The spelling of 245664632 in words is "two hundred forty-five million, six hundred sixty-four thousand, six hundred thirty-two".