148474231 has 2 divisors, whose sum is σ = 148474232. Its totient is φ = 148474230.

The previous prime is 148474181. The next prime is 148474279. The reversal of 148474231 is 132474841.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148474231 - 2²⁷ = 14256503 is a prime.

It is a super-2 number, since 2×148474231² = 44089194542082722, which contains 22 as substring.

It is equal to p_8363374 and since 148474231 and 8363374 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148474631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74237115 + 74237116.

It is an arithmetic number, because the mean of its divisors is an integer number (74237116).

Almost surely, 2^148474231 is an apocalyptic number.

148474231 is a deficient number, since it is larger than the sum of its proper divisors (1).

148474231 is an equidigital number, since it uses as much as digits as its factorization.

148474231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 34.

The square root of 148474231 is about 12185.0002462043. Note that the first 3 decimals coincide. The cubic root of 148474231 is about 529.5216177033.

The spelling of 148474231 in words is "one hundred forty-eight million, four hundred seventy-four thousand, two hundred thirty-one".