148540331 has 2 divisors, whose sum is σ = 148540332. Its totient is φ = 148540330.

The previous prime is 148540277. The next prime is 148540363. The reversal of 148540331 is 133045841.

It is a strong prime.

It is an emirp because it is prime and its reverse (133045841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148540331 - 2⁶ = 148540267 is a prime.

It is a super-2 number, since 2×148540331² = 44128459867179122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148540294 and 148540303.

It is not a weakly prime, because it can be changed into another prime (148540391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74270165 + 74270166.

It is an arithmetic number, because the mean of its divisors is an integer number (74270166).

Almost surely, 2^148540331 is an apocalyptic number.

148540331 is a deficient number, since it is larger than the sum of its proper divisors (1).

148540331 is an equidigital number, since it uses as much as digits as its factorization.

148540331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 148540331 is about 12187.7122955869. The cubic root of 148540331 is about 529.6001861881.

The spelling of 148540331 in words is "one hundred forty-eight million, five hundred forty thousand, three hundred thirty-one".