147838472 has 32 divisors (see below), whose sum is σ = 287686080. Its totient is φ = 71171520.

The previous prime is 147838463. The next prime is 147838489. The reversal of 147838472 is 274838741.

It is an unprimeable number.

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, 21398 + ... + 27450.

It is an arithmetic number, because the mean of its divisors is an integer number (8990190).

Almost surely, 2^147838472 is an apocalyptic number.

It is an amenable number.

147838472 is a deficient number, since it is larger than the sum of its proper divisors (139847608).

147838472 is a wasteful number, since it uses less digits than its factorization.

147838472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173 (or 6169 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 147838472 is about 12158.8844883073. The cubic root of 147838472 is about 528.7647416189.

The spelling of 147838472 in words is "one hundred forty-seven million, eight hundred thirty-eight thousand, four hundred seventy-two".