149372289648 has 160 divisors (see below), whose sum is σ = 447626350080. Its totient is φ = 47601354240.

The previous prime is 149372289631. The next prime is 149372289701. The reversal of 149372289648 is 846982273941.

149372289648 is a `hidden beast` number, since 1 + 493 + 7 + 2 + 2 + 89 + 64 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36671740 + ... + 36675812.

It is an arithmetic number, because the mean of its divisors is an integer number (2797664688).

Almost surely, 2^149372289648 is an apocalyptic number.

149372289648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149372289648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223813175040).

149372289648 is an abundant number, since it is smaller than the sum of its proper divisors (298254060432).

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

149372289648 is a wasteful number, since it uses less digits than its factorization.

149372289648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804 (or 7792 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 149372289648 in words is "one hundred forty-nine billion, three hundred seventy-two million, two hundred eighty-nine thousand, six hundred forty-eight".