147157072 has 10 divisors (see below), whose sum is σ = 285116858. Its totient is φ = 73578528.

The previous prime is 147157067. The next prime is 147157099. The reversal of 147157072 is 270751741.

147157072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 118897216 + 28259856 = 10904^2 + 5316^2 .

It is a super-2 number, since 2×147157072² = 43310407679226368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4598643 + ... + 4598674.

Almost surely, 2^147157072 is an apocalyptic number.

It is an amenable number.

147157072 is a deficient number, since it is larger than the sum of its proper divisors (137959786).

147157072 is an equidigital number, since it uses as much as digits as its factorization.

147157072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197325 (or 9197319 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 147157072 is about 12130.8314636714. The cubic root of 147157072 is about 527.9511165335.

The spelling of 147157072 in words is "one hundred forty-seven million, one hundred fifty-seven thousand, seventy-two".