245707542 has 24 divisors (see below), whose sum is σ = 532766520. Its totient is φ = 81840960.

The previous prime is 245707541. The next prime is 245707591.

It is a happy number.

245707542 is a `hidden beast` number, since 2 + 45 + 70 + 7 + 542 = 666.

245707542 is nontrivially palindromic in base 10.

245707542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245707497 and 245707506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245707541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23934 + ... + 32622.

It is an arithmetic number, because the mean of its divisors is an integer number (22198605).

Almost surely, 2^245707542 is an apocalyptic number.

245707542 is an abundant number, since it is smaller than the sum of its proper divisors (287058978).

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

245707542 is a wasteful number, since it uses less digits than its factorization.

245707542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268 (or 10265 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 245707542 is about 15675.0611482061. The cubic root of 245707542 is about 626.3342521138.

The spelling of 245707542 in words is "two hundred forty-five million, seven hundred seven thousand, five hundred forty-two".