148635648 has 190 divisors, whose sum is σ = 507509816. Its totient is φ = 42467328.

The previous prime is 148635631. The next prime is 148635659. The reversal of 148635648 is 846536841.

148635648 is a `hidden beast` number, since 1 + 4 + 8 + 635 + 6 + 4 + 8 = 666.

Its product of digits (552960) is a multiple of the sum of its prime divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21233661 + ... + 21233667.

Almost surely, 2^148635648 is an apocalyptic number.

148635648 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 148635648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253754908).

148635648 is an abundant number, since it is smaller than the sum of its proper divisors (358874168).

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

148635648 is an frugal number, since it uses more digits than its factorization.

148635648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 12 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 148635648 is about 12191.6220413856. The cubic root of 148635648 is about 529.7134418652.

The spelling of 148635648 in words is "one hundred forty-eight million, six hundred thirty-five thousand, six hundred forty-eight".