4021430342145 has 16 divisors (see below), whose sum is σ = 6436378354560. Its totient is φ = 2144066246784.

The previous prime is 4021430342143. The next prime is 4021430342177. The reversal of 4021430342145 is 5412430341204.

4021430342145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4021430342145 - 2¹ = 4021430342143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021430342143) 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, 43489924 + ... + 43582293.

It is an arithmetic number, because the mean of its divisors is an integer number (402273647160).

Almost surely, 2^{4021430342145} is an apocalyptic number.

It is an amenable number.

4021430342145 is a deficient number, since it is larger than the sum of its proper divisors (2414948012415).

4021430342145 is a wasteful number, since it uses less digits than its factorization.

4021430342145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87075304.

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

Adding to 4021430342145 its reverse (5412430341204), we get a palindrome (9433860683349).

The spelling of 4021430342145 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-two thousand, one hundred forty-five".