142551623426 has 16 divisors (see below), whose sum is σ = 216256780800. Its totient is φ = 70466228448.

The previous prime is 142551623381. The next prime is 142551623447. The reversal of 142551623426 is 624326155241.

It is a super-2 number, since 2×142551623426² (a number of 23 digits) contains 22 as substring.

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, 1532435 + ... + 1622793.

It is an arithmetic number, because the mean of its divisors is an integer number (13516048800).

Almost surely, 2^142551623426 is an apocalyptic number.

142551623426 is a deficient number, since it is larger than the sum of its proper divisors (73705157374).

142551623426 is an equidigital number, since it uses as much as digits as its factorization.

142551623426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99313.

The product of its digits is 345600, while the sum is 41.

Adding to 142551623426 its reverse (624326155241), we get a palindrome (766877778667).

The spelling of 142551623426 in words is "one hundred forty-two billion, five hundred fifty-one million, six hundred twenty-three thousand, four hundred twenty-six".