149729280 has 104 divisors (see below), whose sum is σ = 479271792. Its totient is φ = 39911424.

The previous prime is 149729257. The next prime is 149729299. The reversal of 149729280 is 82927941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60222 + ... + 62658.

Almost surely, 2^149729280 is an apocalyptic number.

149729280 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 149729280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239635896).

149729280 is an abundant number, since it is smaller than the sum of its proper divisors (329542512).

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

149729280 is an equidigital number, since it uses as much as digits as its factorization.

149729280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 149729280 is about 12236.3916249849. The cubic root of 149729280 is about 531.0094444006.

The spelling of 149729280 in words is "one hundred forty-nine million, seven hundred twenty-nine thousand, two hundred eighty".