245142542 has 8 divisors (see below), whose sum is σ = 367794000. Its totient is φ = 122544544.

The previous prime is 245142529. The next prime is 245142551. The reversal of 245142542 is 245241542.

245142542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 1334 + ... + 22182.

It is an arithmetic number, because the mean of its divisors is an integer number (45974250).

Almost surely, 2^245142542 is an apocalyptic number.

245142542 is a deficient number, since it is larger than the sum of its proper divisors (122651458).

245142542 is a wasteful number, since it uses less digits than its factorization.

245142542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26730.

The product of its digits is 12800, while the sum is 29.

The square root of 245142542 is about 15657.0285175700. The cubic root of 245142542 is about 625.8538022769.

The spelling of 245142542 in words is "two hundred forty-five million, one hundred forty-two thousand, five hundred forty-two".