303020147 has 4 divisors (see below), whose sum is σ = 316194960. Its totient is φ = 289845336.

The previous prime is 303020141. The next prime is 303020149. The reversal of 303020147 is 741020303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741020303 = 223 ⋅3322961.

It is a cyclic number.

It is not a de Polignac number, because 303020147 - 2⁴ = 303020131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (303020141) 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, 6587372 + ... + 6587417.

It is an arithmetic number, because the mean of its divisors is an integer number (79048740).

Almost surely, 2^303020147 is an apocalyptic number.

303020147 is a deficient number, since it is larger than the sum of its proper divisors (13174813).

303020147 is a wasteful number, since it uses less digits than its factorization.

303020147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13174812.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 303020147 is about 17407.4738833640. The cubic root of 303020147 is about 671.6718823743.

The spelling of 303020147 in words is "three hundred three million, twenty thousand, one hundred forty-seven".