142229972103 has 4 divisors (see below), whose sum is σ = 189639962808. Its totient is φ = 94819981400.

The previous prime is 142229972089. The next prime is 142229972111. The reversal of 142229972103 is 301279922241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301279922241 = 3 ⋅100426640747.

It is a cyclic number.

It is not a de Polignac number, because 142229972103 - 2⁶ = 142229972039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142229972603) 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, 23704995348 + ... + 23704995353.

It is an arithmetic number, because the mean of its divisors is an integer number (47409990702).

Almost surely, 2^142229972103 is an apocalyptic number.

142229972103 is a deficient number, since it is larger than the sum of its proper divisors (47409990705).

142229972103 is an equidigital number, since it uses as much as digits as its factorization.

142229972103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47409990704.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 142229972103 in words is "one hundred forty-two billion, two hundred twenty-nine million, nine hundred seventy-two thousand, one hundred three".