147918972345 has 32 divisors (see below), whose sum is σ = 240075601920. Its totient is φ = 77758449600.

The previous prime is 147918972317. The next prime is 147918972359. The reversal of 147918972345 is 543279819741.

It is not a de Polignac number, because 147918972345 - 2⁷ = 147918972217 is a prime.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 589270 + ... + 801920.

It is an arithmetic number, because the mean of its divisors is an integer number (7502362560).

Almost surely, 2^147918972345 is an apocalyptic number.

147918972345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147918972345 is a deficient number, since it is larger than the sum of its proper divisors (92156629575).

147918972345 is a wasteful number, since it uses less digits than its factorization.

147918972345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213325.

The product of its digits is 15240960, while the sum is 60.

The spelling of 147918972345 in words is "one hundred forty-seven billion, nine hundred eighteen million, nine hundred seventy-two thousand, three hundred forty-five".