245544142 has 8 divisors (see below), whose sum is σ = 368390376. Its totient is φ = 122747352.

The previous prime is 245544137. The next prime is 245544161. The reversal of 245544142 is 241445542.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4848 + ... + 22684.

It is an arithmetic number, because the mean of its divisors is an integer number (46048797).

Almost surely, 2^245544142 is an apocalyptic number.

245544142 is a deficient number, since it is larger than the sum of its proper divisors (122846234).

245544142 is a wasteful number, since it uses less digits than its factorization.

245544142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24722.

The product of its digits is 25600, while the sum is 31.

The square root of 245544142 is about 15669.8481805026. The cubic root of 245544142 is about 626.1953800887.

Adding to 245544142 its reverse (241445542), we get a palindrome (486989684).

The spelling of 245544142 in words is "two hundred forty-five million, five hundred forty-four thousand, one hundred forty-two".