149528448 has 96 divisors (see below), whose sum is σ = 432726840. Its totient is φ = 49560576.

The previous prime is 149528443. The next prime is 149528453. The reversal of 149528448 is 844825941.

It is an interprime number because it is at equal distance from previous prime (149528443) and next prime (149528453).

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

It is a super-2 number, since 2×149528448² = 44717513522577408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149528441) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 337315 + ... + 337757.

Almost surely, 2^149528448 is an apocalyptic number.

149528448 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 149528448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216363420).

149528448 is an abundant number, since it is smaller than the sum of its proper divisors (283198392).

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

149528448 is a wasteful number, since it uses less digits than its factorization.

149528448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 741 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 149528448 is about 12228.1825305317. The cubic root of 149528448 is about 530.7719237128.

The spelling of 149528448 in words is "one hundred forty-nine million, five hundred twenty-eight thousand, four hundred forty-eight".