148427231 has 2 divisors, whose sum is σ = 148427232. Its totient is φ = 148427230.

The previous prime is 148427219. The next prime is 148427233. The reversal of 148427231 is 132724841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148427231 - 2¹⁰ = 148426207 is a prime.

It is a super-2 number, since 2×148427231² = 44061285804654722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 148427233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148427233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74213615 + 74213616.

It is an arithmetic number, because the mean of its divisors is an integer number (74213616).

Almost surely, 2^148427231 is an apocalyptic number.

148427231 is a deficient number, since it is larger than the sum of its proper divisors (1).

148427231 is an equidigital number, since it uses as much as digits as its factorization.

148427231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 148427231 is about 12183.0714928543. The cubic root of 148427231 is about 529.4657378773.

The spelling of 148427231 in words is "one hundred forty-eight million, four hundred twenty-seven thousand, two hundred thirty-one".