4452543142 has 4 divisors (see below), whose sum is σ = 6678814716. Its totient is φ = 2226271570.

The previous prime is 4452543131. The next prime is 4452543143. The reversal of 4452543142 is 2413452544.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4452543098 and 4452543107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452543143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113135784 + ... + 1113135787.

It is an arithmetic number, because the mean of its divisors is an integer number (1669703679).

Almost surely, 2^4452543142 is an apocalyptic number.

4452543142 is a deficient number, since it is larger than the sum of its proper divisors (2226271574).

4452543142 is a wasteful number, since it uses less digits than its factorization.

4452543142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226271573.

The product of its digits is 76800, while the sum is 34.

The square root of 4452543142 is about 66727.3792531971. The cubic root of 4452543142 is about 1645.1394321997.

Adding to 4452543142 its reverse (2413452544), we get a palindrome (6865995686).

The spelling of 4452543142 in words is "four billion, four hundred fifty-two million, five hundred forty-three thousand, one hundred forty-two".