149801280 has 224 divisors, whose sum is σ = 514843776. Its totient is φ = 36765696.

The previous prime is 149801261. The next prime is 149801303. The reversal of 149801280 is 82108941.

149801280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1093372 + ... + 1093508.

Almost surely, 2^149801280 is an apocalyptic number.

149801280 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 149801280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257421888).

149801280 is an abundant number, since it is smaller than the sum of its proper divisors (365042496).

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

149801280 is a wasteful number, since it uses less digits than its factorization.

149801280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 149801280 is about 12239.3333151769. Note that the first 4 decimals coincide. The cubic root of 149801280 is about 531.0945458881.

The spelling of 149801280 in words is "one hundred forty-nine million, eight hundred one thousand, two hundred eighty".