148078331 has 2 divisors, whose sum is σ = 148078332. Its totient is φ = 148078330.

The previous prime is 148078319. The next prime is 148078349. The reversal of 148078331 is 133870841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148078331 - 2¹⁸ = 147816187 is a prime.

It is a super-2 number, since 2×148078331² = 43854384223491122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148078291 and 148078300.

It is not a weakly prime, because it can be changed into another prime (148075331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74039165 + 74039166.

It is an arithmetic number, because the mean of its divisors is an integer number (74039166).

Almost surely, 2^148078331 is an apocalyptic number.

148078331 is a deficient number, since it is larger than the sum of its proper divisors (1).

148078331 is an equidigital number, since it uses as much as digits as its factorization.

148078331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 148078331 is about 12168.7440190021. The cubic root of 148078331 is about 529.0505500678.

The spelling of 148078331 in words is "one hundred forty-eight million, seventy-eight thousand, three hundred thirty-one".