148784865253 has 4 divisors (see below), whose sum is σ = 149333887168. Its totient is φ = 148235843340.

The previous prime is 148784865241. The next prime is 148784865319. The reversal of 148784865253 is 352568487841.

148784865253 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: 352568487841 = 363551 ⋅969791.

It is a cyclic number.

It is not a de Polignac number, because 148784865253 - 2³⁷ = 11345911781 is a prime.

It is a super-2 number, since 2×148784865253² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148784865191 and 148784865200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148784865233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274510551 + ... + 274511092.

It is an arithmetic number, because the mean of its divisors is an integer number (37333471792).

Almost surely, 2^148784865253 is an apocalyptic number.

It is an amenable number.

148784865253 is a deficient number, since it is larger than the sum of its proper divisors (549021915).

148784865253 is an equidigital number, since it uses as much as digits as its factorization.

148784865253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549021914.

The product of its digits is 51609600, while the sum is 61.

The spelling of 148784865253 in words is "one hundred forty-eight billion, seven hundred eighty-four million, eight hundred sixty-five thousand, two hundred fifty-three".