245142245 has 8 divisors (see below), whose sum is σ = 294446880. Its totient is φ = 195929680.

The previous prime is 245142187. The next prime is 245142253. The reversal of 245142245 is 542241542.

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

It is not a de Polignac number, because 245142245 - 2⁶ = 245142181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17015 + ... + 27924.

It is an arithmetic number, because the mean of its divisors is an integer number (36805860).

Almost surely, 2^245142245 is an apocalyptic number.

It is an amenable number.

245142245 is a deficient number, since it is larger than the sum of its proper divisors (49304635).

245142245 is a wasteful number, since it uses less digits than its factorization.

245142245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46035.

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

The square root of 245142245 is about 15657.0190330088. The cubic root of 245142245 is about 625.8535495278.

Adding to 245142245 its reverse (542241542), we get a palindrome (787383787).

The spelling of 245142245 in words is "two hundred forty-five million, one hundred forty-two thousand, two hundred forty-five".