148843771 has 2 divisors, whose sum is σ = 148843772. Its totient is φ = 148843770.

The previous prime is 148843759. The next prime is 148843781. The reversal of 148843771 is 177348841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148843771 - 2¹¹ = 148841723 is a prime.

It is not a weakly prime, because it can be changed into another prime (148843781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74421885 + 74421886.

It is an arithmetic number, because the mean of its divisors is an integer number (74421886).

Almost surely, 2^148843771 is an apocalyptic number.

148843771 is a deficient number, since it is larger than the sum of its proper divisors (1).

148843771 is an equidigital number, since it uses as much as digits as its factorization.

148843771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 43.

The square root of 148843771 is about 12200.1545482014. The cubic root of 148843771 is about 529.9605654770.

The spelling of 148843771 in words is "one hundred forty-eight million, eight hundred forty-three thousand, seven hundred seventy-one".