148232891 has 8 divisors (see below), whose sum is σ = 156239280. Its totient is φ = 140419552.

The previous prime is 148232881. The next prime is 148232893. The reversal of 148232891 is 198232841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148232891 - 2¹⁸ = 147970747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148232893) 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 in 7 ways as a sum of consecutive naturals, for example, 46685 + ... + 49758.

It is an arithmetic number, because the mean of its divisors is an integer number (19529910).

Almost surely, 2^148232891 is an apocalyptic number.

148232891 is a deficient number, since it is larger than the sum of its proper divisors (8006389).

148232891 is an equidigital number, since it uses as much as digits as its factorization.

148232891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96525.

The product of its digits is 27648, while the sum is 38.

The square root of 148232891 is about 12175.0930591926. The cubic root of 148232891 is about 529.2345554277.

The spelling of 148232891 in words is "one hundred forty-eight million, two hundred thirty-two thousand, eight hundred ninety-one".