147509606 has 4 divisors (see below), whose sum is σ = 221264412. Its totient is φ = 73754802.

The previous prime is 147509581. The next prime is 147509623. The reversal of 147509606 is 606905741.

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

It is a self number, because there is not a number n which added to its sum of digits gives 147509606.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36877400 + ... + 36877403.

It is an arithmetic number, because the mean of its divisors is an integer number (55316103).

Almost surely, 2^147509606 is an apocalyptic number.

147509606 is a deficient number, since it is larger than the sum of its proper divisors (73754806).

147509606 is an equidigital number, since it uses as much as digits as its factorization.

147509606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73754805.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 147509606 is about 12145.3532678140. The cubic root of 147509606 is about 528.3723722896.

The spelling of 147509606 in words is "one hundred forty-seven million, five hundred nine thousand, six hundred six".