148436550 has 144 divisors (see below), whose sum is σ = 436013760. Its totient is φ = 37441440.

The previous prime is 148436543. The next prime is 148436551. The reversal of 148436550 is 55634841.

It is a happy number.

148436550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148436551) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 230529 + ... + 231171.

Almost surely, 2^148436550 is an apocalyptic number.

148436550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148436550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218006880).

148436550 is an abundant number, since it is smaller than the sum of its proper divisors (287577210).

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

148436550 is a wasteful number, since it uses less digits than its factorization.

148436550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 148436550 is about 12183.4539437714. The cubic root of 148436550 is about 529.4768184765.

The spelling of 148436550 in words is "one hundred forty-eight million, four hundred thirty-six thousand, five hundred fifty".