148779977841 has 12 divisors (see below), whose sum is σ = 234441177360. Its totient is φ = 90169683480.

The previous prime is 148779977839. The next prime is 148779977873.

148779977841 is a `hidden beast` number, since 1 + 487 + 79 + 9 + 7 + 78 + 4 + 1 = 666.

148779977841 is nontrivially palindromic in base 10.

148779977841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148779977841 - 2¹ = 148779977839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148779977841.

It is not an unprimeable number, because it can be changed into a prime (148779987841) 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 11 ways as a sum of consecutive naturals, for example, 751413931 + ... + 751414128.

It is an arithmetic number, because the mean of its divisors is an integer number (19536764780).

Almost surely, 2^148779977841 is an apocalyptic number.

148779977841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148779977841 is a deficient number, since it is larger than the sum of its proper divisors (85661199519).

148779977841 is a wasteful number, since it uses less digits than its factorization.

148779977841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502828076 (or 1502828073 counting only the distinct ones).

The product of its digits is 199148544, while the sum is 72.

The spelling of 148779977841 in words is "one hundred forty-eight billion, seven hundred seventy-nine million, nine hundred seventy-seven thousand, eight hundred forty-one".