148247969 has 2 divisors, whose sum is σ = 148247970. Its totient is φ = 148247968.

The previous prime is 148247951. The next prime is 148247987. The reversal of 148247969 is 969742841.

It is a balanced prime because it is at equal distance from previous prime (148247951) and next prime (148247987).

It can be written as a sum of positive squares in only one way, i.e., 93857344 + 54390625 = 9688^2 + 7375^2 .

It is a cyclic number.

It is not a de Polignac number, because 148247969 - 2⁸ = 148247713 is a prime.

It is a super-2 number, since 2×148247969² = 43954920625249922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148247909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74123984 + 74123985.

It is an arithmetic number, because the mean of its divisors is an integer number (74123985).

Almost surely, 2^148247969 is an apocalyptic number.

It is an amenable number.

148247969 is a deficient number, since it is larger than the sum of its proper divisors (1).

148247969 is an equidigital number, since it uses as much as digits as its factorization.

148247969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 148247969 is about 12175.7122584266. The cubic root of 148247969 is about 529.2524991018.

The spelling of 148247969 in words is "one hundred forty-eight million, two hundred forty-seven thousand, nine hundred sixty-nine".