245120142044 has 6 divisors (see below), whose sum is σ = 428960248584. Its totient is φ = 122560071020.

The previous prime is 245120142031. The next prime is 245120142053. The reversal of 245120142044 is 440241021542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245120141998 and 245120142016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30640017752 + ... + 30640017759.

It is an arithmetic number, because the mean of its divisors is an integer number (71493374764).

Almost surely, 2^245120142044 is an apocalyptic number.

It is an amenable number.

245120142044 is a deficient number, since it is larger than the sum of its proper divisors (183840106540).

245120142044 is a wasteful number, since it uses less digits than its factorization.

245120142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61280035515 (or 61280035513 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 245120142044 its reverse (440241021542), we get a palindrome (685361163586).

The spelling of 245120142044 in words is "two hundred forty-five billion, one hundred twenty million, one hundred forty-two thousand, forty-four".