148849947241 has 4 divisors (see below), whose sum is σ = 148919799184. Its totient is φ = 148780095300.

The previous prime is 148849947217. The next prime is 148849947247. The reversal of 148849947241 is 142749948841.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148849947241 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 148849947241.

It is not an unprimeable number, because it can be changed into a prime (148849947247) 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, 34922775 + ... + 34927036.

It is an arithmetic number, because the mean of its divisors is an integer number (37229949796).

Almost surely, 2^148849947241 is an apocalyptic number.

It is an amenable number.

148849947241 is a deficient number, since it is larger than the sum of its proper divisors (69851943).

148849947241 is an equidigital number, since it uses as much as digits as its factorization.

148849947241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69851942.

The product of its digits is 18579456, while the sum is 61.

The spelling of 148849947241 in words is "one hundred forty-eight billion, eight hundred forty-nine million, nine hundred forty-seven thousand, two hundred forty-one".