148013231 has 2 divisors, whose sum is σ = 148013232. Its totient is φ = 148013230.

The previous prime is 148013191. The next prime is 148013233. The reversal of 148013231 is 132310841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148013231 is a prime.

It is a super-2 number, since 2×148013231² = 43815833102118722, which contains 22 as substring.

Together with 148013233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148013197 and 148013206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148013233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74006615 + 74006616.

It is an arithmetic number, because the mean of its divisors is an integer number (74006616).

Almost surely, 2^148013231 is an apocalyptic number.

148013231 is a deficient number, since it is larger than the sum of its proper divisors (1).

148013231 is an equidigital number, since it uses as much as digits as its factorization.

148013231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 148013231 is about 12166.0688391937. The cubic root of 148013231 is about 528.9730094874.

The spelling of 148013231 in words is "one hundred forty-eight million, thirteen thousand, two hundred thirty-one".