147128474 has 8 divisors (see below), whose sum is σ = 221513940. Its totient is φ = 73290496.

The previous prime is 147128473. The next prime is 147128479. The reversal of 147128474 is 474821741.

It can be written as a sum of positive squares in 2 ways, for example, as 125104225 + 22024249 = 11185^2 + 4693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (147128473) 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, 136199 + ... + 137274.

Almost surely, 2^147128474 is an apocalyptic number.

147128474 is a deficient number, since it is larger than the sum of its proper divisors (74385466).

147128474 is a wasteful number, since it uses less digits than its factorization.

147128474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273744.

The product of its digits is 50176, while the sum is 38.

The square root of 147128474 is about 12129.6526743349. The cubic root of 147128474 is about 527.9169142488.

The spelling of 147128474 in words is "one hundred forty-seven million, one hundred twenty-eight thousand, four hundred seventy-four".