141531020 has 48 divisors (see below), whose sum is σ = 309052800. Its totient is φ = 54378240.

The previous prime is 141531011. The next prime is 141531023. The reversal of 141531020 is 20135141.

It is a self number, because there is not a number n which added to its sum of digits gives 141531020.

It is not an unprimeable number, because it can be changed into a prime (141531023) 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, 138110 + ... + 139130.

It is an arithmetic number, because the mean of its divisors is an integer number (6438600).

Almost surely, 2^141531020 is an apocalyptic number.

141531020 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 141531020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154526400).

141531020 is an abundant number, since it is smaller than the sum of its proper divisors (167521780).

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

141531020 is a wasteful number, since it uses less digits than its factorization.

141531020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 141531020 is about 11896.6810497718. The cubic root of 141531020 is about 521.1353644166.

Adding to 141531020 its reverse (20135141), we get a palindrome (161666161).

The spelling of 141531020 in words is "one hundred forty-one million, five hundred thirty-one thousand, twenty".