147257212 has 6 divisors (see below), whose sum is σ = 257700128. Its totient is φ = 73628604.

The previous prime is 147257197. The next prime is 147257219. The reversal of 147257212 is 212752741.

147257212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147257219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18407148 + ... + 18407155.

Almost surely, 2^147257212 is an apocalyptic number.

It is an amenable number.

147257212 is a deficient number, since it is larger than the sum of its proper divisors (110442916).

147257212 is a wasteful number, since it uses less digits than its factorization.

147257212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36814307 (or 36814305 counting only the distinct ones).

The product of its digits is 7840, while the sum is 31.

The square root of 147257212 is about 12134.9582611561. The cubic root of 147257212 is about 528.0708458273.

The spelling of 147257212 in words is "one hundred forty-seven million, two hundred fifty-seven thousand, two hundred twelve".