147705933 has 4 divisors (see below), whose sum is σ = 196941248. Its totient is φ = 98470620.

The previous prime is 147705919. The next prime is 147705973. The reversal of 147705933 is 339507741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 339507741 = 3 ⋅113169247.

It is not a de Polignac number, because 147705933 - 2¹³ = 147697741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147705891 and 147705900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147705973) 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, 24617653 + ... + 24617658.

It is an arithmetic number, because the mean of its divisors is an integer number (49235312).

Almost surely, 2^147705933 is an apocalyptic number.

It is an amenable number.

147705933 is a deficient number, since it is larger than the sum of its proper divisors (49235315).

147705933 is an equidigital number, since it uses as much as digits as its factorization.

147705933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49235314.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 147705933 is about 12153.4329717985. The cubic root of 147705933 is about 528.6066796866.

The spelling of 147705933 in words is "one hundred forty-seven million, seven hundred five thousand, nine hundred thirty-three".