148940049841 has 4 divisors (see below), whose sum is σ = 162480054384. Its totient is φ = 135400045300.

The previous prime is 148940049799. The next prime is 148940049887.

It is a happy number.

148940049841 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 148940049841 - 2⁹ = 148940049329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148940049541) 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, 6770002255 + ... + 6770002276.

It is an arithmetic number, because the mean of its divisors is an integer number (40620013596).

Almost surely, 2^148940049841 is an apocalyptic number.

148940049841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148940049841 is a deficient number, since it is larger than the sum of its proper divisors (13540004543).

148940049841 is a wasteful number, since it uses less digits than its factorization.

148940049841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540004542.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 148940049841 in words is "one hundred forty-eight billion, nine hundred forty million, forty-nine thousand, eight hundred forty-one".