142444235 has 8 divisors (see below), whose sum is σ = 179929680. Its totient is φ = 107957664.

The previous prime is 142444213. The next prime is 142444249. The reversal of 142444235 is 532444241.

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 142444235 - 2⁸ = 142443979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142444198 and 142444207.

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, 749612 + ... + 749801.

It is an arithmetic number, because the mean of its divisors is an integer number (22491210).

Almost surely, 2^142444235 is an apocalyptic number.

142444235 is a deficient number, since it is larger than the sum of its proper divisors (37485445).

142444235 is a wasteful number, since it uses less digits than its factorization.

142444235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499437.

The product of its digits is 15360, while the sum is 29.

The square root of 142444235 is about 11935.0004189359. Note that the first 3 decimals coincide. The cubic root of 142444235 is about 522.2538205232.

Adding to 142444235 its reverse (532444241), we get a palindrome (674888476).

The spelling of 142444235 in words is "one hundred forty-two million, four hundred forty-four thousand, two hundred thirty-five".