147725243 has 4 divisors (see below), whose sum is σ = 148044768. Its totient is φ = 147405720.

The previous prime is 147725233. The next prime is 147725267. The reversal of 147725243 is 342527741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147725243 - 2⁸ = 147724987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147725213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159068 + ... + 159993.

It is an arithmetic number, because the mean of its divisors is an integer number (37011192).

Almost surely, 2^147725243 is an apocalyptic number.

147725243 is a deficient number, since it is larger than the sum of its proper divisors (319525).

147725243 is an equidigital number, since it uses as much as digits as its factorization.

147725243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319524.

The product of its digits is 47040, while the sum is 35.

The square root of 147725243 is about 12154.2273715773. The cubic root of 147725243 is about 528.6297140812.

The spelling of 147725243 in words is "one hundred forty-seven million, seven hundred twenty-five thousand, two hundred forty-three".