245727542 has 8 divisors (see below), whose sum is σ = 377163336. Its totient is φ = 120006432.

The previous prime is 245727523. The next prime is 245727569.

It is a happy number.

245727542 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 245727496 and 245727505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428563 + ... + 1428734.

It is an arithmetic number, because the mean of its divisors is an integer number (47145417).

Almost surely, 2^245727542 is an apocalyptic number.

245727542 is a deficient number, since it is larger than the sum of its proper divisors (131435794).

245727542 is a wasteful number, since it uses less digits than its factorization.

245727542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857342.

The product of its digits is 156800, while the sum is 38.

The square root of 245727542 is about 15675.6990912686. The cubic root of 245727542 is about 626.3512456842.

The spelling of 245727542 in words is "two hundred forty-five million, seven hundred twenty-seven thousand, five hundred forty-two".