141400442 has 8 divisors (see below), whose sum is σ = 212509332. Its totient is φ = 70564000.

The previous prime is 141400423. The next prime is 141400463. The reversal of 141400442 is 244004141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 129982801 + 11417641 = 11401^2 + 3379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66809 + ... + 68892.

Almost surely, 2^141400442 is an apocalyptic number.

141400442 is a deficient number, since it is larger than the sum of its proper divisors (71108890).

141400442 is a wasteful number, since it uses less digits than its factorization.

141400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136224.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 141400442 is about 11891.1917821554. The cubic root of 141400442 is about 520.9750467895.

Adding to 141400442 its reverse (244004141), we get a palindrome (385404583).

The spelling of 141400442 in words is "one hundred forty-one million, four hundred thousand, four hundred forty-two".