142231123245 has 16 divisors (see below), whose sum is σ = 227985842880. Its totient is φ = 75717917184.

The previous prime is 142231123241. The next prime is 142231123273. The reversal of 142231123245 is 542321132241.

It is a happy number.

It is not a de Polignac number, because 142231123245 - 2² = 142231123241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142231123241) 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, 8659140 + ... + 8675549.

It is an arithmetic number, because the mean of its divisors is an integer number (14249115180).

Almost surely, 2^142231123245 is an apocalyptic number.

142231123245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142231123245 is a deficient number, since it is larger than the sum of its proper divisors (85754719635).

142231123245 is a wasteful number, since it uses less digits than its factorization.

142231123245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17335244.

The product of its digits is 11520, while the sum is 30.

Adding to 142231123245 its reverse (542321132241), we get a palindrome (684552255486).

The spelling of 142231123245 in words is "one hundred forty-two billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred forty-five".