245042652 has 12 divisors (see below), whose sum is σ = 571766216. Its totient is φ = 81680880.

The previous prime is 245042579. The next prime is 245042657. The reversal of 245042652 is 256240542.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245042657) 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, 10210099 + ... + 10210122.

Almost surely, 2^245042652 is an apocalyptic number.

It is an amenable number.

245042652 is an abundant number, since it is smaller than the sum of its proper divisors (326723564).

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

245042652 is a wasteful number, since it uses less digits than its factorization.

245042652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20420228 (or 20420226 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 245042652 is about 15653.8382513683. The cubic root of 245042652 is about 625.7687836736.

The spelling of 245042652 in words is "two hundred forty-five million, forty-two thousand, six hundred fifty-two".