148885105500 has 144 divisors (see below), whose sum is σ = 469861706496. Its totient is φ = 39687580800.

The previous prime is 148885105493. The next prime is 148885105543. The reversal of 148885105500 is 5501588841.

148885105500 is a `hidden beast` number, since 1 + 4 + 8 + 8 + 85 + 10 + 550 + 0 = 666.

It is a super-2 number, since 2×148885105500² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16794069 + ... + 16802931.

Almost surely, 2^148885105500 is an apocalyptic number.

148885105500 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 148885105500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234930853248).

148885105500 is an abundant number, since it is smaller than the sum of its proper divisors (320976600996).

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

148885105500 is a wasteful number, since it uses less digits than its factorization.

148885105500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621 (or 12606 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 45.

The spelling of 148885105500 in words is "one hundred forty-eight billion, eight hundred eighty-five million, one hundred five thousand, five hundred".