149288260 has 72 divisors (see below), whose sum is σ = 351098496. Its totient is φ = 52879680.

The previous prime is 149288233. The next prime is 149288273. The reversal of 149288260 is 62882941.

149288260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406597 + ... + 406963.

It is an arithmetic number, because the mean of its divisors is an integer number (4876368).

Almost surely, 2^149288260 is an apocalyptic number.

149288260 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 149288260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175549248).

149288260 is an abundant number, since it is smaller than the sum of its proper divisors (201810236).

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

149288260 is a wasteful number, since it uses less digits than its factorization.

149288260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 149288260 is about 12218.3575000898. The cubic root of 149288260 is about 530.4875778924.

The spelling of 149288260 in words is "one hundred forty-nine million, two hundred eighty-eight thousand, two hundred sixty".