149908320 has 240 divisors, whose sum is σ = 543367440. Its totient is φ = 38900736.

The previous prime is 149908289. The next prime is 149908331. The reversal of 149908320 is 23809941.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 557146 + ... + 557414.

It is an arithmetic number, because the mean of its divisors is an integer number (2264031).

Almost surely, 2^149908320 is an apocalyptic number.

149908320 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 149908320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271683720).

149908320 is an abundant number, since it is smaller than the sum of its proper divisors (393459120).

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

149908320 is a wasteful number, since it uses less digits than its factorization.

149908320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 149908320 is about 12243.7053215111. The cubic root of 149908320 is about 531.2210130435.

The spelling of 149908320 in words is "one hundred forty-nine million, nine hundred eight thousand, three hundred twenty".