147427205 has 4 divisors (see below), whose sum is σ = 176912652. Its totient is φ = 117941760.

The previous prime is 147427201. The next prime is 147427211. The reversal of 147427205 is 502724741.

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 108701476 + 38725729 = 10426^2 + 6223^2 .

It is not a de Polignac number, because 147427205 - 2² = 147427201 is a prime.

It is a super-2 number, since 2×147427205² = 43469561548224050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147427201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14742716 + ... + 14742725.

It is an arithmetic number, because the mean of its divisors is an integer number (44228163).

Almost surely, 2^147427205 is an apocalyptic number.

It is an amenable number.

147427205 is a deficient number, since it is larger than the sum of its proper divisors (29485447).

147427205 is an equidigital number, since it uses as much as digits as its factorization.

147427205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29485446.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 147427205 is about 12141.9605089129. The cubic root of 147427205 is about 528.2739684803.

The spelling of 147427205 in words is "one hundred forty-seven million, four hundred twenty-seven thousand, two hundred five".