147112640 has 56 divisors (see below), whose sum is σ = 351525840. Its totient is φ = 58641408.

The previous prime is 147112631. The next prime is 147112643. The reversal of 147112640 is 46211741.

147112640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 12129²-1.

It is not an unprimeable number, because it can be changed into a prime (147112643) 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, 120674 + ... + 121886.

Almost surely, 2^147112640 is an apocalyptic number.

147112640 is a gapful number since it is divisible by the number (10) 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 147112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175762920).

147112640 is an abundant number, since it is smaller than the sum of its proper divisors (204413200).

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

147112640 is a wasteful number, since it uses less digits than its factorization.

147112640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 147112640 is about 12128.9999587765. Note that the first 4 decimals coincide. The cubic root of 147112640 is about 527.8979753898.

The spelling of 147112640 in words is "one hundred forty-seven million, one hundred twelve thousand, six hundred forty".