133443150 has 48 divisors (see below), whose sum is σ = 333514368. Its totient is φ = 35308000.

The previous prime is 133443143. The next prime is 133443157. The reversal of 133443150 is 51344331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133443143) and next prime (133443157).

It is a self number, because there is not a number n which added to its sum of digits gives 133443150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133443157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16255 + ... + 23045.

It is an arithmetic number, because the mean of its divisors is an integer number (6948216).

Almost surely, 2^133443150 is an apocalyptic number.

133443150 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 133443150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166757184).

133443150 is an abundant number, since it is smaller than the sum of its proper divisors (200071218).

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

133443150 is a wasteful number, since it uses less digits than its factorization.

133443150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937 (or 6932 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 133443150 is about 11551.7596062245. The cubic root of 133443150 is about 511.0131723531.

Adding to 133443150 its reverse (51344331), we get a palindrome (184787481).

The spelling of 133443150 in words is "one hundred thirty-three million, four hundred forty-three thousand, one hundred fifty".