147247340 has 24 divisors (see below), whose sum is σ = 325494960. Its totient is φ = 55798848.

The previous prime is 147247339. The next prime is 147247349. The reversal of 147247340 is 43742741.

It is a junction number, because it is equal to n+sod(n) for n = 147247297 and 147247306.

It is not an unprimeable number, because it can be changed into a prime (147247349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193367 + ... + 194126.

It is an arithmetic number, because the mean of its divisors is an integer number (13562290).

Almost surely, 2^147247340 is an apocalyptic number.

147247340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147247340 is an abundant number, since it is smaller than the sum of its proper divisors (178247620).

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

147247340 is a wasteful number, since it uses less digits than its factorization.

147247340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387521 (or 387519 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 147247340 is about 12134.5514956260. The cubic root of 147247340 is about 528.0590450880.

The spelling of 147247340 in words is "one hundred forty-seven million, two hundred forty-seven thousand, three hundred forty".