245645132 has 12 divisors (see below), whose sum is σ = 431399976. Its totient is φ = 122388000.

The previous prime is 245645131. The next prime is 245645137. The reversal of 245645132 is 231546542.

It is not an unprimeable number, because it can be changed into a prime (245645131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107369 + ... + 109632.

It is an arithmetic number, because the mean of its divisors is an integer number (35949998).

Almost surely, 2^245645132 is an apocalyptic number.

It is an amenable number.

245645132 is a deficient number, since it is larger than the sum of its proper divisors (185754844).

245645132 is a wasteful number, since it uses less digits than its factorization.

245645132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217288 (or 217286 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 245645132 is about 15673.0702799420. The cubic root of 245645132 is about 626.2812177484.

The spelling of 245645132 in words is "two hundred forty-five million, six hundred forty-five thousand, one hundred thirty-two".