142453543321 has 16 divisors (see below), whose sum is σ = 152801832960. Its totient is φ = 132507466560.

The previous prime is 142453543319. The next prime is 142453543339. The reversal of 142453543321 is 123345354241.

It is a cyclic number.

It is not a de Polignac number, because 142453543321 - 2¹ = 142453543319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142453543391) 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, 154810 + ... + 555763.

It is an arithmetic number, because the mean of its divisors is an integer number (9550114560).

Almost surely, 2^142453543321 is an apocalyptic number.

It is an amenable number.

142453543321 is a deficient number, since it is larger than the sum of its proper divisors (10348289639).

142453543321 is a wasteful number, since it uses less digits than its factorization.

142453543321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710856.

The product of its digits is 172800, while the sum is 37.

Adding to 142453543321 its reverse (123345354241), we get a palindrome (265798897562).

The spelling of 142453543321 in words is "one hundred forty-two billion, four hundred fifty-three million, five hundred forty-three thousand, three hundred twenty-one".