141821924 has 12 divisors (see below), whose sum is σ = 248282748. Its totient is φ = 70884000.

The previous prime is 141821923. The next prime is 141821929. The reversal of 141821924 is 429128141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131836324 + 9985600 = 11482^2 + 3160^2 .

It is a super-2 number, since 2×141821924² = 40226916254123552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (141821921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9374 + ... + 19274.

It is an arithmetic number, because the mean of its divisors is an integer number (20690229).

Almost surely, 2^141821924 is an apocalyptic number.

It is an amenable number.

141821924 is a deficient number, since it is larger than the sum of its proper divisors (106460824).

141821924 is a wasteful number, since it uses less digits than its factorization.

141821924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13486 (or 13484 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 141821924 is about 11908.9010408182. The cubic root of 141821924 is about 521.4921686791.

The spelling of 141821924 in words is "one hundred forty-one million, eight hundred twenty-one thousand, nine hundred twenty-four".