147043072 has 108 divisors (see below), whose sum is σ = 332746848. Its totient is φ = 64768000.

The previous prime is 147043063. The next prime is 147043073. The reversal of 147043072 is 270340741.

It is a self number, because there is not a number n which added to its sum of digits gives 147043072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147043073) 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, 1455822 + ... + 1455922.

Almost surely, 2^147043072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147043072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166373424).

147043072 is an abundant number, since it is smaller than the sum of its proper divisors (185703776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147043072 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (147043071) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (161).

147043072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 147043072 is about 12126.1317822296. The cubic root of 147043072 is about 527.8147498269.

The spelling of 147043072 in words is "one hundred forty-seven million, forty-three thousand, seventy-two".