245747532 has 12 divisors (see below), whose sum is σ = 573410936. Its totient is φ = 81915840.

The previous prime is 245747531. The next prime is 245747533. The reversal of 245747532 is 235747542.

It is an interprime number because it is at equal distance from previous prime (245747531) and next prime (245747533).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (245747531) 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, 10239469 + ... + 10239492.

Almost surely, 2^245747532 is an apocalyptic number.

It is an amenable number.

245747532 is an abundant number, since it is smaller than the sum of its proper divisors (327663404).

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

245747532 is a wasteful number, since it uses less digits than its factorization.

245747532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478968 (or 20478966 counting only the distinct ones).

The product of its digits is 235200, while the sum is 39.

The square root of 245747532 is about 15676.3366894182. The cubic root of 245747532 is about 626.3682298363.

The spelling of 245747532 in words is "two hundred forty-five million, seven hundred forty-seven thousand, five hundred thirty-two".