147271469 has 4 divisors (see below), whose sum is σ = 147774396. Its totient is φ = 146768544.

The previous prime is 147271463. The next prime is 147271477. The reversal of 147271469 is 964172741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143089444 + 4182025 = 11962^2 + 2045^2 .

It is a cyclic number.

It is not a de Polignac number, because 147271469 - 2⁸ = 147271213 is a prime.

It is a super-2 number, since 2×147271469² = 43377771162835922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147271463) 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, 251024 + ... + 251609.

It is an arithmetic number, because the mean of its divisors is an integer number (36943599).

Almost surely, 2^147271469 is an apocalyptic number.

It is an amenable number.

147271469 is a deficient number, since it is larger than the sum of its proper divisors (502927).

147271469 is an equidigital number, since it uses as much as digits as its factorization.

147271469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502926.

The product of its digits is 84672, while the sum is 41.

The square root of 147271469 is about 12135.5456820038. The cubic root of 147271469 is about 528.0878873539.

The spelling of 147271469 in words is "one hundred forty-seven million, two hundred seventy-one thousand, four hundred sixty-nine".