148538520 has 192 divisors, whose sum is σ = 550761120. Its totient is φ = 34394112.

The previous prime is 148538519. The next prime is 148538527. The reversal of 148538520 is 25835841.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148538527) 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 47 ways as a sum of consecutive naturals, for example, 78627 + ... + 80493.

Almost surely, 2^148538520 is an apocalyptic number.

148538520 is a gapful number since it is divisible by the number (10) 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 148538520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275380560).

148538520 is an abundant number, since it is smaller than the sum of its proper divisors (402222600).

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

148538520 is a wasteful number, since it uses less digits than its factorization.

148538520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 148538520 is about 12187.6379992187. The cubic root of 148538520 is about 529.5980338886.

The spelling of 148538520 in words is "one hundred forty-eight million, five hundred thirty-eight thousand, five hundred twenty".