147966818 has 8 divisors (see below), whose sum is σ = 224148060. Its totient is φ = 73250800.

The previous prime is 147966817. The next prime is 147966821. The reversal of 147966818 is 818669741.

It can be written as a sum of positive squares in 2 ways, for example, as 100260169 + 47706649 = 10013^2 + 6907^2 .

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

It is not an unprimeable number, because it can be changed into a prime (147966817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366053 + ... + 366456.

Almost surely, 2^147966818 is an apocalyptic number.

147966818 is a deficient number, since it is larger than the sum of its proper divisors (76181242).

147966818 is a wasteful number, since it uses less digits than its factorization.

147966818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732612.

The product of its digits is 580608, while the sum is 50.

The square root of 147966818 is about 12164.1612123483. The cubic root of 147966818 is about 528.9177130999.

The spelling of 147966818 in words is "one hundred forty-seven million, nine hundred sixty-six thousand, eight hundred eighteen".