147307240 has 32 divisors (see below), whose sum is σ = 342873000. Its totient is φ = 56890624.

The previous prime is 147307231. The next prime is 147307241. The reversal of 147307240 is 42703741.

It can be written as a sum of positive squares in 4 ways, for example, as 138438756 + 8868484 = 11766^2 + 2978^2 .

It is a junction number, because it is equal to n+sod(n) for n = 147307199 and 147307208.

It is not an unprimeable number, because it can be changed into a prime (147307241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62335 + ... + 64654.

Almost surely, 2^147307240 is an apocalyptic number.

147307240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147307240 is an abundant number, since it is smaller than the sum of its proper divisors (195565760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147307240 is a wasteful number, since it uses less digits than its factorization.

147307240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127029 (or 127025 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 147307240 is about 12137.0194034615. The cubic root of 147307240 is about 528.1306399267.

The spelling of 147307240 in words is "one hundred forty-seven million, three hundred seven thousand, two hundred forty".