148274923 has 2 divisors, whose sum is σ = 148274924. Its totient is φ = 148274922.

The previous prime is 148274911. The next prime is 148274933. The reversal of 148274923 is 329472841.

It is a strong prime.

It is an emirp because it is prime and its reverse (329472841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148274923 is a prime.

It is not a weakly prime, because it can be changed into another prime (148274933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74137461 + 74137462.

It is an arithmetic number, because the mean of its divisors is an integer number (74137462).

Almost surely, 2^148274923 is an apocalyptic number.

148274923 is a deficient number, since it is larger than the sum of its proper divisors (1).

148274923 is an equidigital number, since it uses as much as digits as its factorization.

148274923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 148274923 is about 12176.8190838166. The cubic root of 148274923 is about 529.2845728574.

It can be divided in two parts, 148 and 274923, that multiplied together give a palindrome (40688604).

The spelling of 148274923 in words is "one hundred forty-eight million, two hundred seventy-four thousand, nine hundred twenty-three".