149925787648 has 288 divisors, whose sum is σ = 384843448080. Its totient is φ = 57844039680.

The previous prime is 149925787621. The next prime is 149925787673. The reversal of 149925787648 is 846787529941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53486215 + ... + 53489017.

Almost surely, 2^149925787648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149925787648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192421724040).

149925787648 is an abundant number, since it is smaller than the sum of its proper divisors (234917660432).

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

149925787648 is a wasteful number, since it uses less digits than its factorization.

149925787648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893 (or 2866 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 70.

The spelling of 149925787648 in words is "one hundred forty-nine billion, nine hundred twenty-five million, seven hundred eighty-seven thousand, six hundred forty-eight".