142232244351 has 4 divisors (see below), whose sum is σ = 189642992472. Its totient is φ = 94821496232.

The previous prime is 142232244347. The next prime is 142232244367. The reversal of 142232244351 is 153442232241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153442232241 = 3 ⋅51147410747.

It is a cyclic number.

It is not a de Polignac number, because 142232244351 - 2² = 142232244347 is a prime.

It is a super-2 number, since 2×142232244351² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142232244151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23705374056 + ... + 23705374061.

It is an arithmetic number, because the mean of its divisors is an integer number (47410748118).

Almost surely, 2^142232244351 is an apocalyptic number.

142232244351 is a deficient number, since it is larger than the sum of its proper divisors (47410748121).

142232244351 is an equidigital number, since it uses as much as digits as its factorization.

142232244351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47410748120.

The product of its digits is 46080, while the sum is 33.

Adding to 142232244351 its reverse (153442232241), we get a palindrome (295674476592).

The spelling of 142232244351 in words is "one hundred forty-two billion, two hundred thirty-two million, two hundred forty-four thousand, three hundred fifty-one".