141544021 has 8 divisors (see below), whose sum is σ = 143193600. Its totient is φ = 139901040.

The previous prime is 141543979. The next prime is 141544037. The reversal of 141544021 is 120445141.

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 141544021 - 2⁹ = 141543509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141543983 and 141544001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141545021) 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, 50856 + ... + 53566.

It is an arithmetic number, because the mean of its divisors is an integer number (17899200).

Almost surely, 2^141544021 is an apocalyptic number.

It is an amenable number.

141544021 is a deficient number, since it is larger than the sum of its proper divisors (1649579).

141544021 is a wasteful number, since it uses less digits than its factorization.

141544021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 141544021 is about 11897.2274501247. The cubic root of 141544021 is about 521.1513210444.

Adding to 141544021 its reverse (120445141), we get a palindrome (261989162).

The spelling of 141544021 in words is "one hundred forty-one million, five hundred forty-four thousand, twenty-one".