142144045235434 has 32 divisors (see below), whose sum is σ = 232850913974784. Its totient is φ = 64541077751280.

The previous prime is 142144045235431. The next prime is 142144045235473. The reversal of 142144045235434 is 434532540441241.

It is not an unprimeable number, because it can be changed into a prime (142144045235431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101628937 + ... + 103018099.

It is an arithmetic number, because the mean of its divisors is an integer number (7276591061712).

Almost surely, 2^{142144045235434} is an apocalyptic number.

142144045235434 is a deficient number, since it is larger than the sum of its proper divisors (90706868739350).

142144045235434 is a wasteful number, since it uses less digits than its factorization.

142144045235434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394202.

The product of its (nonzero) digits is 3686400, while the sum is 46.

Adding to 142144045235434 its reverse (434532540441241), we get a palindrome (576676585676675).

The spelling of 142144045235434 in words is "one hundred forty-two trillion, one hundred forty-four billion, forty-five million, two hundred thirty-five thousand, four hundred thirty-four".