147330447 has 12 divisors (see below), whose sum is σ = 215922840. Its totient is φ = 89290960.

The previous prime is 147330439. The next prime is 147330457. The reversal of 147330447 is 744033741.

It is not a de Polignac number, because 147330447 - 2³ = 147330439 is a prime.

It is a super-2 number, since 2×147330447² = 43412521226439618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147330437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202572 + ... + 203297.

It is an arithmetic number, because the mean of its divisors is an integer number (17993570).

Almost surely, 2^147330447 is an apocalyptic number.

147330447 is a deficient number, since it is larger than the sum of its proper divisors (68592393).

147330447 is a wasteful number, since it uses less digits than its factorization.

147330447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405894 (or 405883 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 147330447 is about 12137.9754077853. The cubic root of 147330447 is about 528.1583726306.

The spelling of 147330447 in words is "one hundred forty-seven million, three hundred thirty thousand, four hundred forty-seven".