147823994 has 8 divisors (see below), whose sum is σ = 222354720. Its totient is φ = 73705756.

The previous prime is 147823987. The next prime is 147823997. The reversal of 147823994 is 499328741.

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

It is a super-2 number, since 2×147823994² = 43703866404224072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147823997) by changing a digit.

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, 102224 + ... + 103659.

It is an arithmetic number, because the mean of its divisors is an integer number (27794340).

Almost surely, 2^147823994 is an apocalyptic number.

147823994 is a deficient number, since it is larger than the sum of its proper divisors (74530726).

147823994 is a wasteful number, since it uses less digits than its factorization.

147823994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206244.

The product of its digits is 435456, while the sum is 47.

The square root of 147823994 is about 12158.2891066136. The cubic root of 147823994 is about 528.7474801990.

The spelling of 147823994 in words is "one hundred forty-seven million, eight hundred twenty-three thousand, nine hundred ninety-four".