141440020 has 24 divisors (see below), whose sum is σ = 300787200. Its totient is φ = 55859232.

The previous prime is 141439999. The next prime is 141440021. The reversal of 141440020 is 20044141.

It is a junction number, because it is equal to n+sod(n) for n = 141439976 and 141440003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141440021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43180 + ... + 46339.

It is an arithmetic number, because the mean of its divisors is an integer number (12532800).

Almost surely, 2^141440020 is an apocalyptic number.

141440020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141440020 is an abundant number, since it is smaller than the sum of its proper divisors (159347180).

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

141440020 is a wasteful number, since it uses less digits than its factorization.

141440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89607 (or 89605 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 141440020 is about 11892.8558386958. The cubic root of 141440020 is about 521.0236492471.

Adding to 141440020 its reverse (20044141), we get a palindrome (161484161).

The spelling of 141440020 in words is "one hundred forty-one million, four hundred forty thousand, twenty".