149109881744 has 80 divisors (see below), whose sum is σ = 298024216896. Its totient is φ = 72227635200.

The previous prime is 149109881737. The next prime is 149109881801. The reversal of 149109881744 is 447188901941.

It is a self number, because there is not a number n which added to its sum of digits gives 149109881744.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79865099 + ... + 79866965.

Almost surely, 2^149109881744 is an apocalyptic number.

It is an amenable number.

149109881744 is a deficient number, since it is larger than the sum of its proper divisors (148914335152).

149109881744 is a wasteful number, since it uses less digits than its factorization.

149109881744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2698 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 149109881744 in words is "one hundred forty-nine billion, one hundred nine million, eight hundred eighty-one thousand, seven hundred forty-four".