141432021 has 16 divisors (see below), whose sum is σ = 209776320. Its totient is φ = 94176720.

The previous prime is 141431989. The next prime is 141432023. The reversal of 141432021 is 120234141.

It is not a de Polignac number, because 141432021 - 2⁵ = 141431989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141431985 and 141432003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141432023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24766 + ... + 29936.

It is an arithmetic number, because the mean of its divisors is an integer number (13111020).

Almost surely, 2^141432021 is an apocalyptic number.

It is an amenable number.

141432021 is a deficient number, since it is larger than the sum of its proper divisors (68344299).

141432021 is a wasteful number, since it uses less digits than its factorization.

141432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193 (or 6187 counting only the distinct ones).

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

The square root of 141432021 is about 11892.5195396098. The cubic root of 141432021 is about 521.0138270701.

Adding to 141432021 its reverse (120234141), we get a palindrome (261666162).

The spelling of 141432021 in words is "one hundred forty-one million, four hundred thirty-two thousand, twenty-one".