4145430642 has 32 divisors (see below), whose sum is σ = 8539636032. Its totient is φ = 1340564544.

The previous prime is 4145430629. The next prime is 4145430647. The reversal of 4145430642 is 2460345414.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4145430647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50128 + ... + 103940.

It is an arithmetic number, because the mean of its divisors is an integer number (266863626).

Almost surely, 2^4145430642 is an apocalyptic number.

4145430642 is an abundant number, since it is smaller than the sum of its proper divisors (4394205390).

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

4145430642 is a wasteful number, since it uses less digits than its factorization.

4145430642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54202.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 4145430642 is about 64385.0187698971. The cubic root of 4145430642 is about 1606.4105626370.

The spelling of 4145430642 in words is "four billion, one hundred forty-five million, four hundred thirty thousand, six hundred forty-two".