148449263 has 4 divisors (see below), whose sum is σ = 148502328. Its totient is φ = 148396200.

The previous prime is 148449187. The next prime is 148449269. The reversal of 148449263 is 362944841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362944841 = 7 ⋅51849263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148449263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148449263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148449269) 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 3 ways as a sum of consecutive naturals, for example, 22088 + ... + 28013.

It is an arithmetic number, because the mean of its divisors is an integer number (37125582).

Almost surely, 2^148449263 is an apocalyptic number.

148449263 is a deficient number, since it is larger than the sum of its proper divisors (53065).

148449263 is an equidigital number, since it uses as much as digits as its factorization.

148449263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53064.

The product of its digits is 165888, while the sum is 41.

The square root of 148449263 is about 12183.9756647820. The cubic root of 148449263 is about 529.4919339060.

The spelling of 148449263 in words is "one hundred forty-eight million, four hundred forty-nine thousand, two hundred sixty-three".