149305288 has 96 divisors (see below), whose sum is σ = 334968480. Its totient is φ = 62092800.

The previous prime is 149305283. The next prime is 149305319. The reversal of 149305288 is 882503941.

149305288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 149305288.

It is not an unprimeable number, because it can be changed into a prime (149305283) 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, 707503 + ... + 707713.

It is an arithmetic number, because the mean of its divisors is an integer number (3489255).

Almost surely, 2^149305288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149305288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167484240).

149305288 is an abundant number, since it is smaller than the sum of its proper divisors (185663192).

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

149305288 is a wasteful number, since it uses less digits than its factorization.

149305288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 149305288 is about 12219.0543005586. The cubic root of 149305288 is about 530.5077464777.

The spelling of 149305288 in words is "one hundred forty-nine million, three hundred five thousand, two hundred eighty-eight".