148298669 has 2 divisors, whose sum is σ = 148298670. Its totient is φ = 148298668.

The previous prime is 148298639. The next prime is 148298693. The reversal of 148298669 is 966892841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138344644 + 9954025 = 11762^2 + 3155^2 .

It is a cyclic number.

It is not a de Polignac number, because 148298669 - 2⁸ = 148298413 is a prime.

It is a super-2 number, since 2×148298669² = 43984990454343122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 148298669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148298639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74149334 + 74149335.

It is an arithmetic number, because the mean of its divisors is an integer number (74149335).

Almost surely, 2^148298669 is an apocalyptic number.

It is an amenable number.

148298669 is a deficient number, since it is larger than the sum of its proper divisors (1).

148298669 is an equidigital number, since it uses as much as digits as its factorization.

148298669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The square root of 148298669 is about 12177.7940941699. The cubic root of 148298669 is about 529.3128260516.

The spelling of 148298669 in words is "one hundred forty-eight million, two hundred ninety-eight thousand, six hundred sixty-nine".