147103409 has 4 divisors (see below), whose sum is σ = 149175360. Its totient is φ = 145031460.

The previous prime is 147103403. The next prime is 147103421. The reversal of 147103409 is 904301741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147103409 - 2⁴ = 147103393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147103403) 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, 1035869 + ... + 1036010.

It is an arithmetic number, because the mean of its divisors is an integer number (37293840).

Almost surely, 2^147103409 is an apocalyptic number.

It is an amenable number.

147103409 is a deficient number, since it is larger than the sum of its proper divisors (2071951).

147103409 is an equidigital number, since it uses as much as digits as its factorization.

147103409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071950.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 147103409 is about 12128.6194185488. The cubic root of 147103409 is about 527.8869336734.

The spelling of 147103409 in words is "one hundred forty-seven million, one hundred three thousand, four hundred nine".