147646452 has 12 divisors (see below), whose sum is σ = 344508416. Its totient is φ = 49215480.

The previous prime is 147646451. The next prime is 147646463. The reversal of 147646452 is 254646741.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 147646452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147646451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6151924 + ... + 6151947.

Almost surely, 2^147646452 is an apocalyptic number.

147646452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147646452 is an abundant number, since it is smaller than the sum of its proper divisors (196861964).

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

147646452 is a wasteful number, since it uses less digits than its factorization.

147646452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12303878 (or 12303876 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 147646452 is about 12150.9856390336. The cubic root of 147646452 is about 528.5357137370.

The spelling of 147646452 in words is "one hundred forty-seven million, six hundred forty-six thousand, four hundred fifty-two".