245747542 has 16 divisors (see below), whose sum is σ = 373014720.
Its totient is φ = 121415368.
The previous prime is 245747533. The next prime is 245747549.
245747542 is nontrivially palindromic in base 10.
245747542 is digitally balanced in base 3, 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 = 245747495 and 245747504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245747549) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98709 + ... + 101167.
It is an arithmetic number, because the mean of its divisors is an integer number (23313420).
Almost surely, 2245747542 is an apocalyptic number.
245747542 is a deficient number, since it is larger than the sum of its proper divisors (127267178).
245747542 is a wasteful number, since it uses less digits than its factorization.
245747542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3035.
The product of its digits is 313600, while the sum is 40.
The square root of 245747542 is about 15676.3370083703.
The cubic root of 245747542 is about 626.3682383324.
The spelling of 245747542 in words is "two hundred forty-five million, seven hundred forty-seven thousand, five hundred forty-two".