149721523200 has 1056 divisors, whose sum is σ = 577874977920. Its totient is φ = 37955174400.

The previous prime is 149721523177. The next prime is 149721523201. The reversal of 149721523200 is 2325127941.

149721523200 is a `hidden beast` number, since 1 + 4 + 97 + 21 + 523 + 20 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149721523201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2234649567 + ... + 2234649633.

Almost surely, 2^149721523200 is an apocalyptic number.

149721523200 is a gapful number since it is divisible by the number (10) 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 149721523200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288937488960).

149721523200 is an abundant number, since it is smaller than the sum of its proper divisors (428153454720).

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

149721523200 is a wasteful number, since it uses less digits than its factorization.

149721523200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 149721523200 in words is "one hundred forty-nine billion, seven hundred twenty-one million, five hundred twenty-three thousand, two hundred".