4142105045 has 32 divisors (see below), whose sum is σ = 5573091552. Its totient is φ = 2935222272.

The previous prime is 4142104987. The next prime is 4142105047. The reversal of 4142105045 is 5405012414.

It can be written as a sum of positive squares in 16 ways, for example, as 1504974436 + 2637130609 = 38794^2 + 51353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4142105045 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142105047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163769 + ... + 187361.

It is an arithmetic number, because the mean of its divisors is an integer number (174159111).

Almost surely, 2^4142105045 is an apocalyptic number.

It is an amenable number.

4142105045 is a deficient number, since it is larger than the sum of its proper divisors (1430986507).

4142105045 is a wasteful number, since it uses less digits than its factorization.

4142105045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23721.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4142105045 is about 64359.1877279383. The cubic root of 4142105045 is about 1605.9808764091.

Adding to 4142105045 its reverse (5405012414), we get a palindrome (9547117459).

The spelling of 4142105045 in words is "four billion, one hundred forty-two million, one hundred five thousand, forty-five".