148138223 has 2 divisors, whose sum is σ = 148138224. Its totient is φ = 148138222.

The previous prime is 148138217. The next prime is 148138241. The reversal of 148138223 is 322831841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148138223 - 2¹⁴ = 148121839 is a prime.

It is a super-2 number, since 2×148138223² = 43889866227195458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148138223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148138213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74069111 + 74069112.

It is an arithmetic number, because the mean of its divisors is an integer number (74069112).

Almost surely, 2^148138223 is an apocalyptic number.

148138223 is a deficient number, since it is larger than the sum of its proper divisors (1).

148138223 is an equidigital number, since it uses as much as digits as its factorization.

148138223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 148138223 is about 12171.2046651102. The cubic root of 148138223 is about 529.1218673326.

The spelling of 148138223 in words is "one hundred forty-eight million, one hundred thirty-eight thousand, two hundred twenty-three".