147143272 has 8 divisors (see below), whose sum is σ = 275893650. Its totient is φ = 73571632.

The previous prime is 147143251. The next prime is 147143281. The reversal of 147143272 is 272341741.

It can be written as a sum of positive squares in only one way, i.e., 79673476 + 67469796 = 8926^2 + 8214^2 .

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

It is a super-2 number, since 2×147143272² = 43302284989731968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9196447 + ... + 9196462.

Almost surely, 2^147143272 is an apocalyptic number.

It is an amenable number.

147143272 is a deficient number, since it is larger than the sum of its proper divisors (128750378).

147143272 is a wasteful number, since it uses less digits than its factorization.

147143272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18392915 (or 18392911 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 147143272 is about 12130.2626517318. The cubic root of 147143272 is about 527.9346127323.

The spelling of 147143272 in words is "one hundred forty-seven million, one hundred forty-three thousand, two hundred seventy-two".