148769417 has 2 divisors, whose sum is σ = 148769418. Its totient is φ = 148769416.

The previous prime is 148769393. The next prime is 148769419. The reversal of 148769417 is 714967841.

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., 96510976 + 52258441 = 9824^2 + 7229^2 .

It is a cyclic number.

It is not a de Polignac number, because 148769417 - 2⁸ = 148769161 is a prime.

Together with 148769419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148769419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74384708 + 74384709.

It is an arithmetic number, because the mean of its divisors is an integer number (74384709).

Almost surely, 2^148769417 is an apocalyptic number.

It is an amenable number.

148769417 is a deficient number, since it is larger than the sum of its proper divisors (1).

148769417 is an equidigital number, since it uses as much as digits as its factorization.

148769417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The square root of 148769417 is about 12197.1069110671. The cubic root of 148769417 is about 529.8723045869.

The spelling of 148769417 in words is "one hundred forty-eight million, seven hundred sixty-nine thousand, four hundred seventeen".