141421252 has 36 divisors (see below), whose sum is σ = 295689324. Its totient is φ = 58968000.

The previous prime is 141421243. The next prime is 141421253. The reversal of 141421252 is 252124141.

141421252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 104162436 + 37258816 = 10206^2 + 6104^2 .

It is not an unprimeable number, because it can be changed into a prime (141421253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2499 + ... + 17002.

Almost surely, 2^141421252 is an apocalyptic number.

It is an amenable number.

141421252 is an abundant number, since it is smaller than the sum of its proper divisors (154268072).

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

141421252 is a wasteful number, since it uses less digits than its factorization.

141421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19556 (or 19547 counting only the distinct ones).

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

The square root of 141421252 is about 11892.0667673874. The cubic root of 141421252 is about 521.0006029541. Note that the first 3 decimals are identical.

Adding to 141421252 its reverse (252124141), we get a palindrome (393545393).

The spelling of 141421252 in words is "one hundred forty-one million, four hundred twenty-one thousand, two hundred fifty-two".