147381047 has 8 divisors (see below), whose sum is σ = 160874112. Its totient is φ = 133903800.

The previous prime is 147381029. The next prime is 147381061. The reversal of 147381047 is 740183741.

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

It is a cyclic number.

It is not a de Polignac number, because 147381047 - 2⁸ = 147380791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147380998 and 147381016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147381067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24422 + ... + 29852.

It is an arithmetic number, because the mean of its divisors is an integer number (20109264).

Almost surely, 2^147381047 is an apocalyptic number.

147381047 is a deficient number, since it is larger than the sum of its proper divisors (13493065).

147381047 is a wasteful number, since it uses less digits than its factorization.

147381047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 147381047 is about 12140.0595962293. The cubic root of 147381047 is about 528.2188302736.

The spelling of 147381047 in words is "one hundred forty-seven million, three hundred eighty-one thousand, forty-seven".