142973319155 has 8 divisors (see below), whose sum is σ = 171611017200. Its totient is φ = 114349965856.

The previous prime is 142973319149. The next prime is 142973319193. The reversal of 142973319155 is 551913379241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142973319155 - 2¹² = 142973315059 is a prime.

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, 3564245 + ... + 3604134.

It is an arithmetic number, because the mean of its divisors is an integer number (21451377150).

Almost surely, 2^142973319155 is an apocalyptic number.

142973319155 is a deficient number, since it is larger than the sum of its proper divisors (28637698045).

142973319155 is an equidigital number, since it uses as much as digits as its factorization.

142973319155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172373.

The product of its digits is 1020600, while the sum is 50.

The spelling of 142973319155 in words is "one hundred forty-two billion, nine hundred seventy-three million, three hundred nineteen thousand, one hundred fifty-five".