147440128 has 80 divisors (see below), whose sum is σ = 328800384. Its totient is φ = 65474560.

The previous prime is 147440093. The next prime is 147440131. The reversal of 147440128 is 821044741.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 147440128.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264426 + ... + 264982.

Almost surely, 2^147440128 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 147440128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164400192).

147440128 is an abundant number, since it is smaller than the sum of its proper divisors (181360256).

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

147440128 is an equidigital number, since it uses as much as digits as its factorization.

147440128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 147440128 is about 12142.4926600760. The cubic root of 147440128 is about 528.2894036347.

Adding to 147440128 its reverse (821044741), we get a palindrome (968484869).

The spelling of 147440128 in words is "one hundred forty-seven million, four hundred forty thousand, one hundred twenty-eight".