149345280 has 264 divisors, whose sum is σ = 592680192. Its totient is φ = 34062336.

The previous prime is 149345267. The next prime is 149345281. The reversal of 149345280 is 82543941.

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 (149345281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322329 + ... + 322791.

Almost surely, 2^149345280 is an apocalyptic number.

149345280 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 149345280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296340096).

149345280 is an abundant number, since it is smaller than the sum of its proper divisors (443334912).

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

149345280 is a wasteful number, since it uses less digits than its factorization.

149345280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 149345280 is about 12220.6906515139. The cubic root of 149345280 is about 530.5551084346. Note that the first 3 decimals are identical.

The spelling of 149345280 in words is "one hundred forty-nine million, three hundred forty-five thousand, two hundred eighty".