149648408 has 128 divisors (see below), whose sum is σ = 376320000. Its totient is φ = 54120960.

The previous prime is 149648383. The next prime is 149648413. The reversal of 149648408 is 804846941.

149648408 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428618 + ... + 428966.

It is an arithmetic number, because the mean of its divisors is an integer number (2940000).

Almost surely, 2^149648408 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 149648408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188160000).

149648408 is an abundant number, since it is smaller than the sum of its proper divisors (226671592).

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

149648408 is a wasteful number, since it uses less digits than its factorization.

149648408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 149648408 is about 12233.0866096828. The cubic root of 149648408 is about 530.9138239810.

The spelling of 149648408 in words is "one hundred forty-nine million, six hundred forty-eight thousand, four hundred eight".