142323556634 has 16 divisors (see below), whose sum is σ = 244010987136. Its totient is φ = 60988873200.

The previous prime is 142323556603. The next prime is 142323556637. The reversal of 142323556634 is 436655323241.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142323556637) 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, 449582 + ... + 697689.

It is an arithmetic number, because the mean of its divisors is an integer number (15250686696).

Almost surely, 2^142323556634 is an apocalyptic number.

142323556634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142323556634 is a deficient number, since it is larger than the sum of its proper divisors (101687430502).

142323556634 is a wasteful number, since it uses less digits than its factorization.

142323556634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156141.

The product of its digits is 1555200, while the sum is 44.

Adding to 142323556634 its reverse (436655323241), we get a palindrome (578978879875).

The spelling of 142323556634 in words is "one hundred forty-two billion, three hundred twenty-three million, five hundred fifty-six thousand, six hundred thirty-four".