4145421523342 has 16 divisors (see below), whose sum is σ = 6791064665472. Its totient is φ = 1882158169720.

The previous prime is 4145421523277. The next prime is 4145421523343. The reversal of 4145421523342 is 2433251245414.

It is a junction number, because it is equal to n+sod(n) for n = 4145421523295 and 4145421523304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145421523343) 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, 106197088 + ... + 106236115.

It is an arithmetic number, because the mean of its divisors is an integer number (424441541592).

Almost surely, 2^{4145421523342} is an apocalyptic number.

4145421523342 is a deficient number, since it is larger than the sum of its proper divisors (2645643142130).

4145421523342 is a wasteful number, since it uses less digits than its factorization.

4145421523342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212434103.

The product of its digits is 460800, while the sum is 40.

Adding to 4145421523342 its reverse (2433251245414), we get a palindrome (6578672768756).

The spelling of 4145421523342 in words is "four trillion, one hundred forty-five billion, four hundred twenty-one million, five hundred twenty-three thousand, three hundred forty-two".