141021432 has 128 divisors (see below), whose sum is σ = 414720000. Its totient is φ = 44327808.

The previous prime is 141021431. The next prime is 141021451. The reversal of 141021432 is 234120141.

141021432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141021431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294169 + ... + 294647.

It is an arithmetic number, because the mean of its divisors is an integer number (3240000).

Almost surely, 2^141021432 is an apocalyptic number.

141021432 is a gapful number since it is divisible by the number (12) 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 141021432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207360000).

141021432 is an abundant number, since it is smaller than the sum of its proper divisors (273698568).

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

141021432 is a wasteful number, since it uses less digits than its factorization.

141021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 141021432 is about 11875.2445027460. The cubic root of 141021432 is about 520.5091561312.

Adding to 141021432 its reverse (234120141), we get a palindrome (375141573).

The spelling of 141021432 in words is "one hundred forty-one million, twenty-one thousand, four hundred thirty-two".