148817843231 has 16 divisors (see below), whose sum is σ = 152002474560. Its totient is φ = 145665891840.

The previous prime is 148817843219. The next prime is 148817843233. The reversal of 148817843231 is 132348718841.

It is a cyclic number.

It is not a de Polignac number, because 148817843231 - 2¹⁰ = 148817842207 is a prime.

It is a super-2 number, since 2×148817843231² (a number of 23 digits) contains 22 as substring.

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 148817843231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148817843233) 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 15 ways as a sum of consecutive naturals, for example, 8995175 + ... + 9011703.

It is an arithmetic number, because the mean of its divisors is an integer number (9500154660).

Almost surely, 2^148817843231 is an apocalyptic number.

148817843231 is a deficient number, since it is larger than the sum of its proper divisors (3184631329).

148817843231 is a wasteful number, since it uses less digits than its factorization.

148817843231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17506.

The product of its digits is 1032192, while the sum is 50.

The spelling of 148817843231 in words is "one hundred forty-eight billion, eight hundred seventeen million, eight hundred forty-three thousand, two hundred thirty-one".