147799646 has 4 divisors (see below), whose sum is σ = 221699472. Its totient is φ = 73899822.

The previous prime is 147799637. The next prime is 147799667. The reversal of 147799646 is 646997741.

It is a happy number.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 36949910 + ... + 36949913.

It is an arithmetic number, because the mean of its divisors is an integer number (55424868).

Almost surely, 2^147799646 is an apocalyptic number.

147799646 is a deficient number, since it is larger than the sum of its proper divisors (73899826).

147799646 is an equidigital number, since it uses as much as digits as its factorization.

147799646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73899825.

The product of its digits is 2286144, while the sum is 53.

The square root of 147799646 is about 12157.2877731836. The cubic root of 147799646 is about 528.7184487132.

The spelling of 147799646 in words is "one hundred forty-seven million, seven hundred ninety-nine thousand, six hundred forty-six".