147640920 has 256 divisors, whose sum is σ = 549504000. Its totient is φ = 31610880.

The previous prime is 147640907. The next prime is 147640931. The reversal of 147640920 is 29046741.

It is a happy number.

147640920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 699615 + ... + 699825.

It is an arithmetic number, because the mean of its divisors is an integer number (2146500).

Almost surely, 2^147640920 is an apocalyptic number.

147640920 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 147640920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274752000).

147640920 is an abundant number, since it is smaller than the sum of its proper divisors (401863080).

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

147640920 is a wasteful number, since it uses less digits than its factorization.

147640920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 147640920 is about 12150.7580010467. The cubic root of 147640920 is about 528.5291126164.

The spelling of 147640920 in words is "one hundred forty-seven million, six hundred forty thousand, nine hundred twenty".