148297231 has 2 divisors, whose sum is σ = 148297232. Its totient is φ = 148297230.

The previous prime is 148297183. The next prime is 148297241. The reversal of 148297231 is 132792841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148297231 - 2⁹ = 148296719 is a prime.

It is a super-2 number, since 2×148297231² = 43984137444534722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148297241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74148615 + 74148616.

It is an arithmetic number, because the mean of its divisors is an integer number (74148616).

Almost surely, 2^148297231 is an apocalyptic number.

148297231 is a deficient number, since it is larger than the sum of its proper divisors (1).

148297231 is an equidigital number, since it uses as much as digits as its factorization.

148297231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 148297231 is about 12177.7350521351. The cubic root of 148297231 is about 529.3111151927.

The spelling of 148297231 in words is "one hundred forty-eight million, two hundred ninety-seven thousand, two hundred thirty-one".