142113441 has 8 divisors (see below), whose sum is σ = 191255904. Its totient is φ = 93856640.

The previous prime is 142113401. The next prime is 142113467. The reversal of 142113441 is 144311241.

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

It is a cyclic number.

It is not a de Polignac number, because 142113441 - 2⁷ = 142113313 is a prime.

It is a super-2 number, since 2×142113441² = 40392460225720962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142113401) 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 7 ways as a sum of consecutive naturals, for example, 221040 + ... + 221681.

It is an arithmetic number, because the mean of its divisors is an integer number (23906988).

Almost surely, 2^142113441 is an apocalyptic number.

It is an amenable number.

142113441 is a deficient number, since it is larger than the sum of its proper divisors (49142463).

142113441 is a wasteful number, since it uses less digits than its factorization.

142113441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442831.

The product of its digits is 384, while the sum is 21.

The square root of 142113441 is about 11921.1342161726. The cubic root of 142113441 is about 521.8492356841.

Adding to 142113441 its reverse (144311241), we get a palindrome (286424682).

The spelling of 142113441 in words is "one hundred forty-two million, one hundred thirteen thousand, four hundred forty-one".