147293306 has 4 divisors (see below), whose sum is σ = 220939962. Its totient is φ = 73646652.

The previous prime is 147293303. The next prime is 147293327. The reversal of 147293306 is 603392741.

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

It can be written as a sum of positive squares in only one way, i.e., 139027681 + 8265625 = 11791^2 + 2875^2 .

It is not an unprimeable number, because it can be changed into a prime (147293303) 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 as a sum of consecutive naturals, namely, 36823325 + ... + 36823328.

Almost surely, 2^147293306 is an apocalyptic number.

147293306 is a deficient number, since it is larger than the sum of its proper divisors (73646656).

147293306 is an equidigital number, since it uses as much as digits as its factorization.

147293306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73646655.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 147293306 is about 12136.4453609778. The cubic root of 147293306 is about 528.1139871938.

The spelling of 147293306 in words is "one hundred forty-seven million, two hundred ninety-three thousand, three hundred six".