147231393 has 8 divisors (see below), whose sum is σ = 198214848. Its totient is φ = 97201104.

The previous prime is 147231391. The next prime is 147231397. The reversal of 147231393 is 393132741.

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

It is not a de Polignac number, because 147231393 - 2¹ = 147231391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147231391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237930 + ... + 238547.

It is an arithmetic number, because the mean of its divisors is an integer number (24776856).

Almost surely, 2^147231393 is an apocalyptic number.

It is an amenable number.

147231393 is a deficient number, since it is larger than the sum of its proper divisors (50983455).

147231393 is a wasteful number, since it uses less digits than its factorization.

147231393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476583.

The product of its digits is 13608, while the sum is 33.

The square root of 147231393 is about 12133.8943872114. The cubic root of 147231393 is about 528.0399813331.

It can be divided in two parts, 147 and 231393, that added together give a triangular number (231540 = T₆₈₀).

The spelling of 147231393 in words is "one hundred forty-seven million, two hundred thirty-one thousand, three hundred ninety-three".