148605469 has 2 divisors, whose sum is σ = 148605470. Its totient is φ = 148605468.

The previous prime is 148605421. The next prime is 148605497. The reversal of 148605469 is 964506841.

148605469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138933369 + 9672100 = 11787^2 + 3110^2 .

It is an emirp because it is prime and its reverse (964506841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148605469 - 2⁷ = 148605341 is a prime.

It is a super-2 number, since 2×148605469² = 44167170833419922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148605419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74302734 + 74302735.

It is an arithmetic number, because the mean of its divisors is an integer number (74302735).

Almost surely, 2^148605469 is an apocalyptic number.

It is an amenable number.

148605469 is a deficient number, since it is larger than the sum of its proper divisors (1).

148605469 is an equidigital number, since it uses as much as digits as its factorization.

148605469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 148605469 is about 12190.3842843448. The cubic root of 148605469 is about 529.6775884113.

The spelling of 148605469 in words is "one hundred forty-eight million, six hundred five thousand, four hundred sixty-nine".