142451010421 has 8 divisors (see below), whose sum is σ = 142782393600. Its totient is φ = 142119725040.

The previous prime is 142451010409. The next prime is 142451010473. The reversal of 142451010421 is 124010154241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142451010421 - 2¹⁵ = 142450977653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142451010721) 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, 3464260 + ... + 3505138.

It is an arithmetic number, because the mean of its divisors is an integer number (17847799200).

Almost surely, 2^142451010421 is an apocalyptic number.

It is an amenable number.

142451010421 is a deficient number, since it is larger than the sum of its proper divisors (331383179).

142451010421 is an equidigital number, since it uses as much as digits as its factorization.

142451010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48899.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 142451010421 its reverse (124010154241), we get a palindrome (266461164662).

The spelling of 142451010421 in words is "one hundred forty-two billion, four hundred fifty-one million, ten thousand, four hundred twenty-one".