141420221440 has 176 divisors, whose sum is σ = 366207972480. Its totient is φ = 52241530880.

The previous prime is 141420221389. The next prime is 141420221489. The reversal of 141420221440 is 44122024141.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3394335 + ... + 3435745.

Almost surely, 2^141420221440 is an apocalyptic number.

141420221440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141420221440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183103986240).

141420221440 is an abundant number, since it is smaller than the sum of its proper divisors (224787751040).

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

141420221440 is a wasteful number, since it uses less digits than its factorization.

141420221440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41488 (or 41470 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 141420221440 its reverse (44122024141), we get a palindrome (185542245581).

The spelling of 141420221440 in words is "one hundred forty-one billion, four hundred twenty million, two hundred twenty-one thousand, four hundred forty".