147545472 has 64 divisors (see below), whose sum is σ = 394360560. Its totient is φ = 48875520.

The previous prime is 147545449. The next prime is 147545477. The reversal of 147545472 is 274545741.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 147545472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147545477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65322 + ... + 67542.

Almost surely, 2^147545472 is an apocalyptic number.

147545472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147545472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197180280).

147545472 is an abundant number, since it is smaller than the sum of its proper divisors (246815088).

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

147545472 is a wasteful number, since it uses less digits than its factorization.

147545472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2399 counting only the distinct ones).

The product of its digits is 156800, while the sum is 39.

The square root of 147545472 is about 12146.8297098461. The cubic root of 147545472 is about 528.4151922530.

The spelling of 147545472 in words is "one hundred forty-seven million, five hundred forty-five thousand, four hundred seventy-two".