149168928 has 96 divisors (see below), whose sum is σ = 402446016. Its totient is φ = 48365568.

The previous prime is 149168917. The next prime is 149168939. The reversal of 149168928 is 829861941.

It is an interprime number because it is at equal distance from previous prime (149168917) and next prime (149168939).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772800 + ... + 772992.

It is an arithmetic number, because the mean of its divisors is an integer number (4192146).

Almost surely, 2^149168928 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 149168928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201223008).

149168928 is an abundant number, since it is smaller than the sum of its proper divisors (253277088).

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

149168928 is a wasteful number, since it uses less digits than its factorization.

149168928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 378 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The square root of 149168928 is about 12213.4732160839. The cubic root of 149168928 is about 530.3461936596.

The spelling of 149168928 in words is "one hundred forty-nine million, one hundred sixty-eight thousand, nine hundred twenty-eight".