4145256042 has 16 divisors (see below), whose sum is σ = 8294555520. Its totient is φ = 1381078112.

The previous prime is 4145256041. The next prime is 4145256053. The reversal of 4145256042 is 2406525414.

It is a junction number, because it is equal to n+sod(n) for n = 4145255994 and 4145256012.

It is not an unprimeable number, because it can be changed into a prime (4145256041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155067 + ... + 179822.

It is an arithmetic number, because the mean of its divisors is an integer number (518409720).

Almost surely, 2^4145256042 is an apocalyptic number.

4145256042 is an abundant number, since it is smaller than the sum of its proper divisors (4149299478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4145256042 is a wasteful number, since it uses less digits than its factorization.

4145256042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336957.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 4145256042 is about 64383.6628501361. The cubic root of 4145256042 is about 1606.3880090315.

The spelling of 4145256042 in words is "four billion, one hundred forty-five million, two hundred fifty-six thousand, forty-two".