142012441 has 8 divisors (see below), whose sum is σ = 158280480. Its totient is φ = 126623808.

The previous prime is 142012439. The next prime is 142012447. The reversal of 142012441 is 144210241.

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 142012441 - 2¹ = 142012439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142012447) 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, 219511 + ... + 220156.

It is an arithmetic number, because the mean of its divisors is an integer number (19785060).

Almost surely, 2^142012441 is an apocalyptic number.

It is an amenable number.

142012441 is a deficient number, since it is larger than the sum of its proper divisors (16268039).

142012441 is a wasteful number, since it uses less digits than its factorization.

142012441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439703.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142012441 is about 11916.8972891437. The cubic root of 142012441 is about 521.7255803292.

Adding to 142012441 its reverse (144210241), we get a palindrome (286222682).

It can be divided in two parts, 1420 and 12441, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 142012441 in words is "one hundred forty-two million, twelve thousand, four hundred forty-one".