245353221142 has 8 divisors (see below), whose sum is σ = 384031128816. Its totient is φ = 117342844872.

The previous prime is 245353221107. The next prime is 245353221161. The reversal of 245353221142 is 241122353542.

245353221142 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 junction number, because it is equal to n+sod(n) for n = 245353221098 and 245353221107.

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, 2666882793 + ... + 2666882884.

It is an arithmetic number, because the mean of its divisors is an integer number (48003891102).

Almost surely, 2^245353221142 is an apocalyptic number.

245353221142 is a deficient number, since it is larger than the sum of its proper divisors (138677907674).

245353221142 is a wasteful number, since it uses less digits than its factorization.

245353221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333765702.

The product of its digits is 57600, while the sum is 34.

Adding to 245353221142 its reverse (241122353542), we get a palindrome (486475574684).

The spelling of 245353221142 in words is "two hundred forty-five billion, three hundred fifty-three million, two hundred twenty-one thousand, one hundred forty-two".