147381211 has 4 divisors (see below), whose sum is σ = 156050712. Its totient is φ = 138711712.

The previous prime is 147381203. The next prime is 147381229. The reversal of 147381211 is 112183741.

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 147381211 - 2³ = 147381203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147381211.

It is not an unprimeable number, because it can be changed into a prime (147381251) 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, 4334725 + ... + 4334758.

It is an arithmetic number, because the mean of its divisors is an integer number (39012678).

Almost surely, 2^147381211 is an apocalyptic number.

147381211 is a deficient number, since it is larger than the sum of its proper divisors (8669501).

147381211 is an equidigital number, since it uses as much as digits as its factorization.

147381211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669500.

The product of its digits is 1344, while the sum is 28.

The square root of 147381211 is about 12140.0663507248. The cubic root of 147381211 is about 528.2190262008.

The spelling of 147381211 in words is "one hundred forty-seven million, three hundred eighty-one thousand, two hundred eleven".