142301444 has 12 divisors (see below), whose sum is σ = 249186000. Its totient is φ = 71105448.

The previous prime is 142301417. The next prime is 142301459. The reversal of 142301444 is 444103241.

It is a happy number.

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, 3674 + ... + 17265.

It is an arithmetic number, because the mean of its divisors is an integer number (20765500).

Almost surely, 2^142301444 is an apocalyptic number.

It is an amenable number.

142301444 is a deficient number, since it is larger than the sum of its proper divisors (106884556).

142301444 is a wasteful number, since it uses less digits than its factorization.

142301444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22642 (or 22640 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 142301444 is about 11929.0168915967. The cubic root of 142301444 is about 522.0792537827.

Adding to 142301444 its reverse (444103241), we get a palindrome (586404685).

The spelling of 142301444 in words is "one hundred forty-two million, three hundred one thousand, four hundred forty-four".