148969841 has 2 divisors, whose sum is σ = 148969842. Its totient is φ = 148969840.

The previous prime is 148969819. The next prime is 148969853.

148969841 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148474225 + 495616 = 12185^2 + 704^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 148969841 - 2¹⁴ = 148953457 is a prime.

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 148969841.

It is not a weakly prime, because it can be changed into another prime (148969801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74484920 + 74484921.

It is an arithmetic number, because the mean of its divisors is an integer number (74484921).

Almost surely, 2^148969841 is an apocalyptic number.

It is an amenable number.

148969841 is a deficient number, since it is larger than the sum of its proper divisors (1).

148969841 is an equidigital number, since it uses as much as digits as its factorization.

148969841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 50.

The square root of 148969841 is about 12205.3201924407. The cubic root of 148969841 is about 530.1101479861.

The spelling of 148969841 in words is "one hundred forty-eight million, nine hundred sixty-nine thousand, eight hundred forty-one".