146978173142 has 8 divisors (see below), whose sum is σ = 230052792816. Its totient is φ = 70293908872.

The previous prime is 146978173091. The next prime is 146978173151. The reversal of 146978173142 is 241371879641.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597588793 + ... + 1597588884.

It is an arithmetic number, because the mean of its divisors is an integer number (28756599102).

Almost surely, 2^146978173142 is an apocalyptic number.

146978173142 is a deficient number, since it is larger than the sum of its proper divisors (83074619674).

146978173142 is a wasteful number, since it uses less digits than its factorization.

146978173142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195177702.

The product of its digits is 2032128, while the sum is 53.

The spelling of 146978173142 in words is "one hundred forty-six billion, nine hundred seventy-eight million, one hundred seventy-three thousand, one hundred forty-two".