4145122042 has 16 divisors (see below), whose sum is σ = 6684186240. Its totient is φ = 1921701888.

The previous prime is 4145122001. The next prime is 4145122057. The reversal of 4145122042 is 2402215414.

It is a junction number, because it is equal to n+sod(n) for n = 4145121998 and 4145122016.

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, 1158663 + ... + 1162234.

It is an arithmetic number, because the mean of its divisors is an integer number (417761640).

Almost surely, 2^4145122042 is an apocalyptic number.

4145122042 is a deficient number, since it is larger than the sum of its proper divisors (2539064198).

4145122042 is a wasteful number, since it uses less digits than its factorization.

4145122042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320965.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4145122042 is about 64382.6222050640. The cubic root of 4145122042 is about 1606.3706994201.

Adding to 4145122042 its reverse (2402215414), we get a palindrome (6547337456).

The spelling of 4145122042 in words is "four billion, one hundred forty-five million, one hundred twenty-two thousand, forty-two".