141421442 has 16 divisors (see below), whose sum is σ = 219358464. Its totient is φ = 68310000.

The previous prime is 141421417. The next prime is 141421463. The reversal of 141421442 is 244124141.

141421442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41192 + ... + 44492.

It is an arithmetic number, because the mean of its divisors is an integer number (13709904).

Almost surely, 2^141421442 is an apocalyptic number.

141421442 is a deficient number, since it is larger than the sum of its proper divisors (77937022).

141421442 is a wasteful number, since it uses less digits than its factorization.

141421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its digits is 1024, while the sum is 23.

The square root of 141421442 is about 11892.0747559036. The cubic root of 141421442 is about 521.0008362762. Note that the first 3 decimals are identical.

Adding to 141421442 its reverse (244124141), we get a palindrome (385545583).

The spelling of 141421442 in words is "one hundred forty-one million, four hundred twenty-one thousand, four hundred forty-two".