148003289 has 4 divisors (see below), whose sum is σ = 169146624. Its totient is φ = 126859956.

The previous prime is 148003283. The next prime is 148003307. The reversal of 148003289 is 982300841.

It is a happy number.

148003289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982300841 = 967 ⋅1015823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148003289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148003283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10571657 + ... + 10571670.

It is an arithmetic number, because the mean of its divisors is an integer number (42286656).

Almost surely, 2^148003289 is an apocalyptic number.

It is an amenable number.

148003289 is a deficient number, since it is larger than the sum of its proper divisors (21143335).

148003289 is an equidigital number, since it uses as much as digits as its factorization.

148003289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21143334.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 148003289 is about 12165.6602369128. The cubic root of 148003289 is about 528.9611655746.

The spelling of 148003289 in words is "one hundred forty-eight million, three thousand, two hundred eighty-nine".