142023443450 has 48 divisors (see below), whose sum is σ = 302931861120. Its totient is φ = 48527526720.

The previous prime is 142023443389. The next prime is 142023443461. The reversal of 142023443450 is 54344320241.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 589910 + ... + 795009.

It is an arithmetic number, because the mean of its divisors is an integer number (6311080440).

Almost surely, 2^142023443450 is an apocalyptic number.

142023443450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142023443450 is an abundant number, since it is smaller than the sum of its proper divisors (160908417670).

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

142023443450 is a wasteful number, since it uses less digits than its factorization.

142023443450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385231 (or 1385226 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 142023443450 its reverse (54344320241), we get a palindrome (196367763691).

The spelling of 142023443450 in words is "one hundred forty-two billion, twenty-three million, four hundred forty-three thousand, four hundred fifty".