148653289 has 4 divisors (see below), whose sum is σ = 149302660. Its totient is φ = 148003920.

The previous prime is 148653251. The next prime is 148653293. The reversal of 148653289 is 982356841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982356841 = 23 ⋅42711167.

It can be written as a sum of positive squares in 2 ways, for example, as 58782889 + 89870400 = 7667^2 + 9480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148653289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148653299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324342 + ... + 324799.

It is an arithmetic number, because the mean of its divisors is an integer number (37325665).

Almost surely, 2^148653289 is an apocalyptic number.

It is an amenable number.

148653289 is a deficient number, since it is larger than the sum of its proper divisors (649371).

148653289 is an equidigital number, since it uses as much as digits as its factorization.

148653289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649370.

The product of its digits is 414720, while the sum is 46.

The square root of 148653289 is about 12192.3455085558. The cubic root of 148653289 is about 529.7343975944.

The spelling of 148653289 in words is "one hundred forty-eight million, six hundred fifty-three thousand, two hundred eighty-nine".