148502891 has 2 divisors, whose sum is σ = 148502892. Its totient is φ = 148502890.

The previous prime is 148502869. The next prime is 148502909. The reversal of 148502891 is 198205841.

It is a strong prime.

It is an emirp because it is prime and its reverse (198205841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148502891 - 2¹⁰ = 148501867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (148502801) 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, 74251445 + 74251446.

It is an arithmetic number, because the mean of its divisors is an integer number (74251446).

Almost surely, 2^148502891 is an apocalyptic number.

148502891 is a deficient number, since it is larger than the sum of its proper divisors (1).

148502891 is an equidigital number, since it uses as much as digits as its factorization.

148502891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 148502891 is about 12186.1762255434. The cubic root of 148502891 is about 529.5556867201. Note that the first 3 decimals are identical.

The spelling of 148502891 in words is "one hundred forty-eight million, five hundred two thousand, eight hundred ninety-one".