147244740 has 24 divisors (see below), whose sum is σ = 412285440. Its totient is φ = 39265248.

The previous prime is 147244717. The next prime is 147244819. The reversal of 147244740 is 47442741.

It is a happy number.

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, 1226980 + ... + 1227099.

It is an arithmetic number, because the mean of its divisors is an integer number (17178560).

Almost surely, 2^147244740 is an apocalyptic number.

147244740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147244740 is an abundant number, since it is smaller than the sum of its proper divisors (265040700).

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

147244740 is a wasteful number, since it uses less digits than its factorization.

147244740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454091 (or 2454089 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 147244740 is about 12134.4443630518. Note that the first 3 decimals coincide. The cubic root of 147244740 is about 528.0559370260.

The spelling of 147244740 in words is "one hundred forty-seven million, two hundred forty-four thousand, seven hundred forty".