147231199 has 4 divisors (see below), whose sum is σ = 147874360. Its totient is φ = 146588040.

The previous prime is 147231197. The next prime is 147231241. The reversal of 147231199 is 991132741.

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 147231199 - 2¹ = 147231197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147231193) 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, 321237 + ... + 321694.

It is an arithmetic number, because the mean of its divisors is an integer number (36968590).

Almost surely, 2^147231199 is an apocalyptic number.

147231199 is a deficient number, since it is larger than the sum of its proper divisors (643161).

147231199 is an equidigital number, since it uses as much as digits as its factorization.

147231199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643160.

The product of its digits is 13608, while the sum is 37.

The square root of 147231199 is about 12133.8863930729. The cubic root of 147231199 is about 528.0397494084.

The spelling of 147231199 in words is "one hundred forty-seven million, two hundred thirty-one thousand, one hundred ninety-nine".