149143135648 has 24 divisors (see below), whose sum is σ = 316212129828. Its totient is φ = 68835293184.

The previous prime is 149143135639. The next prime is 149143135649. The reversal of 149143135648 is 846531341941.

149143135648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 148727465104 + 415670544 = 385652^2 + 20388^2 .

It is not an unprimeable number, because it can be changed into a prime (149143135649) 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, 179258161 + ... + 179258992.

Almost surely, 2^149143135648 is an apocalyptic number.

It is an amenable number.

149143135648 is an abundant number, since it is smaller than the sum of its proper divisors (167068994180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149143135648 is a wasteful number, since it uses less digits than its factorization.

149143135648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358517176 (or 358517168 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The spelling of 149143135648 in words is "one hundred forty-nine billion, one hundred forty-three million, one hundred thirty-five thousand, six hundred forty-eight".