147381743 has 4 divisors (see below), whose sum is σ = 147724128. Its totient is φ = 147039360.

The previous prime is 147381739. The next prime is 147381763. The reversal of 147381743 is 347183741.

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 147381743 - 2² = 147381739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147381697 and 147381706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147381733) 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, 170546 + ... + 171407.

It is an arithmetic number, because the mean of its divisors is an integer number (36931032).

Almost surely, 2^147381743 is an apocalyptic number.

147381743 is a deficient number, since it is larger than the sum of its proper divisors (342385).

147381743 is an equidigital number, since it uses as much as digits as its factorization.

147381743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342384.

The product of its digits is 56448, while the sum is 38.

The square root of 147381743 is about 12140.0882616231. The cubic root of 147381743 is about 528.2196617684.

The spelling of 147381743 in words is "one hundred forty-seven million, three hundred eighty-one thousand, seven hundred forty-three".