147245231 has 8 divisors (see below), whose sum is σ = 177137280. Its totient is φ = 119567448.

The previous prime is 147245213. The next prime is 147245233. The reversal of 147245231 is 132542741.

147245231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147245231 - 2¹⁴ = 147228847 is a prime.

It is a super-2 number, since 2×147245231² = 43362316104486722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147245194 and 147245203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147245233) 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, 553421 + ... + 553686.

It is an arithmetic number, because the mean of its divisors is an integer number (22142160).

Almost surely, 2^147245231 is an apocalyptic number.

147245231 is a deficient number, since it is larger than the sum of its proper divisors (29892049).

147245231 is a wasteful number, since it uses less digits than its factorization.

147245231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107133.

The product of its digits is 6720, while the sum is 29.

The square root of 147245231 is about 12134.4645946989. The cubic root of 147245231 is about 528.0565239744.

Adding to 147245231 its reverse (132542741), we get a palindrome (279787972).

The spelling of 147245231 in words is "one hundred forty-seven million, two hundred forty-five thousand, two hundred thirty-one".