148115831 has 2 divisors, whose sum is σ = 148115832. Its totient is φ = 148115830.

The previous prime is 148115819. The next prime is 148115833. The reversal of 148115831 is 138511841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148115831 - 2¹⁴ = 148099447 is a prime.

It is a super-2 number, since 2×148115831² = 43876598785641122, which contains 22 as substring.

Together with 148115833, 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 (148115833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74057915 + 74057916.

It is an arithmetic number, because the mean of its divisors is an integer number (74057916).

Almost surely, 2^148115831 is an apocalyptic number.

148115831 is a deficient number, since it is larger than the sum of its proper divisors (1).

148115831 is an equidigital number, since it uses as much as digits as its factorization.

148115831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 32.

The square root of 148115831 is about 12170.2847542693. The cubic root of 148115831 is about 529.0952059852.

The spelling of 148115831 in words is "one hundred forty-eight million, one hundred fifteen thousand, eight hundred thirty-one".