147131272 has 8 divisors (see below), whose sum is σ = 275871150. Its totient is φ = 73565632.

The previous prime is 147131267. The next prime is 147131273. The reversal of 147131272 is 272131741.

It can be written as a sum of positive squares in only one way, i.e., 142229476 + 4901796 = 11926^2 + 2214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×147131272² = 43295222400675968, which contains 22 as substring.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 147131272.

It is not an unprimeable number, because it can be changed into a prime (147131273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9195697 + ... + 9195712.

Almost surely, 2^147131272 is an apocalyptic number.

It is an amenable number.

147131272 is a deficient number, since it is larger than the sum of its proper divisors (128739878).

147131272 is a wasteful number, since it uses less digits than its factorization.

147131272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18391415 (or 18391411 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 147131272 is about 12129.7680109720. The cubic root of 147131272 is about 527.9202607621.

The spelling of 147131272 in words is "one hundred forty-seven million, one hundred thirty-one thousand, two hundred seventy-two".