147706241 has 4 divisors (see below), whose sum is σ = 147749892. Its totient is φ = 147662592.

The previous prime is 147706211. The next prime is 147706261. The reversal of 147706241 is 142607741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57532225 + 90174016 = 7585^2 + 9496^2 .

It is a cyclic number.

It is not a de Polignac number, because 147706241 - 2¹⁸ = 147444097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147706198 and 147706207.

It is not an unprimeable number, because it can be changed into a prime (147706211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16280 + ... + 23673.

It is an arithmetic number, because the mean of its divisors is an integer number (36937473).

Almost surely, 2^147706241 is an apocalyptic number.

It is an amenable number.

147706241 is a deficient number, since it is larger than the sum of its proper divisors (43651).

147706241 is an equidigital number, since it uses as much as digits as its factorization.

147706241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43650.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 147706241 is about 12153.4456431088. The cubic root of 147706241 is about 528.6070471075.

The spelling of 147706241 in words is "one hundred forty-seven million, seven hundred six thousand, two hundred forty-one".