149207328 has 144 divisors (see below), whose sum is σ = 442181376. Its totient is φ = 47692800.

The previous prime is 149207321. The next prime is 149207341. The reversal of 149207328 is 823702941.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 149207292 and 149207301.

It is not an unprimeable number, because it can be changed into a prime (149207321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 988053 + ... + 988203.

It is an arithmetic number, because the mean of its divisors is an integer number (3070704).

Almost surely, 2^149207328 is an apocalyptic number.

149207328 is a gapful number since it is divisible by the number (18) 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 149207328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221090688).

149207328 is an abundant number, since it is smaller than the sum of its proper divisors (292974048).

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

149207328 is a wasteful number, since it uses less digits than its factorization.

149207328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 149207328 is about 12215.0451493230. The cubic root of 149207328 is about 530.3916981017.

The spelling of 149207328 in words is "one hundred forty-nine million, two hundred seven thousand, three hundred twenty-eight".