149726720 has 160 divisors (see below), whose sum is σ = 422785440. Its totient is φ = 50135040.

The previous prime is 149726713. The next prime is 149726729. The reversal of 149726720 is 27627941.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149726729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365876 + ... + 366284.

It is an arithmetic number, because the mean of its divisors is an integer number (2642409).

Almost surely, 2^149726720 is an apocalyptic number.

149726720 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 149726720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211392720).

149726720 is an abundant number, since it is smaller than the sum of its proper divisors (273058720).

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

149726720 is a wasteful number, since it uses less digits than its factorization.

149726720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 149726720 is about 12236.2870185363. The cubic root of 149726720 is about 531.0064180677.

The spelling of 149726720 in words is "one hundred forty-nine million, seven hundred twenty-six thousand, seven hundred twenty".