147860817946 has 8 divisors (see below), whose sum is σ = 221907903444. Its totient is φ = 73891516800.

The previous prime is 147860817911. The next prime is 147860817953. The reversal of 147860817946 is 649718068741.

It can be written as a sum of positive squares in 2 ways, for example, as 118982913721 + 28877904225 = 344939^2 + 169935^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19441335 + ... + 19448938.

Almost surely, 2^147860817946 is an apocalyptic number.

147860817946 is a deficient number, since it is larger than the sum of its proper divisors (74047085498).

147860817946 is a wasteful number, since it uses less digits than its factorization.

147860817946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38892176.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 147860817946 in words is "one hundred forty-seven billion, eight hundred sixty million, eight hundred seventeen thousand, nine hundred forty-six".