245242120142 has 16 divisors (see below), whose sum is σ = 374881636512. Its totient is φ = 120282533280.

The previous prime is 245242120121. The next prime is 245242120163. The reversal of 245242120142 is 241021242542.

245242120142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245242120121) and next prime (245242120163).

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, 279767 + ... + 754157.

It is an arithmetic number, because the mean of its divisors is an integer number (23430102282).

Almost surely, 2^245242120142 is an apocalyptic number.

245242120142 is a deficient number, since it is larger than the sum of its proper divisors (129639516370).

245242120142 is a wasteful number, since it uses less digits than its factorization.

245242120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479323.

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

Adding to 245242120142 its reverse (241021242542), we get a palindrome (486263362684).

The spelling of 245242120142 in words is "two hundred forty-five billion, two hundred forty-two million, one hundred twenty thousand, one hundred forty-two".