245667142 has 8 divisors (see below), whose sum is σ = 421143696. Its totient is φ = 105285912.

The previous prime is 245667139. The next prime is 245667179. The reversal of 245667142 is 241766542.

245667142 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, 8773813 + ... + 8773840.

It is an arithmetic number, because the mean of its divisors is an integer number (52642962).

Almost surely, 2^245667142 is an apocalyptic number.

245667142 is a deficient number, since it is larger than the sum of its proper divisors (175476554).

245667142 is a wasteful number, since it uses less digits than its factorization.

245667142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17547662.

The product of its digits is 80640, while the sum is 37.

The square root of 245667142 is about 15673.7724240210. The cubic root of 245667142 is about 626.2999222888.

The spelling of 245667142 in words is "two hundred forty-five million, six hundred sixty-seven thousand, one hundred forty-two".