4145647742 has 16 divisors (see below), whose sum is σ = 6522826752. Its totient is φ = 1972316280.

The previous prime is 4145647741. The next prime is 4145647769. The reversal of 4145647742 is 2477465414.

It is a junction number, because it is equal to n+sod(n) for n = 4145647693 and 4145647702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145647741) 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, 227138 + ... + 244709.

It is an arithmetic number, because the mean of its divisors is an integer number (407676672).

Almost surely, 2^4145647742 is an apocalyptic number.

4145647742 is a deficient number, since it is larger than the sum of its proper divisors (2377179010).

4145647742 is a wasteful number, since it uses less digits than its factorization.

4145647742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472063.

The product of its digits is 752640, while the sum is 44.

The square root of 4145647742 is about 64386.7046990293. The cubic root of 4145647742 is about 1606.4386052117.

It can be divided in two parts, 41456 and 47742, that added together give a palindrome (89198).

The spelling of 4145647742 in words is "four billion, one hundred forty-five million, six hundred forty-seven thousand, seven hundred forty-two".