143442450 has 72 divisors (see below), whose sum is σ = 388118016. Its totient is φ = 37980000.

The previous prime is 143442443. The next prime is 143442469. The reversal of 143442450 is 54244341.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66895 + ... + 69005.

It is an arithmetic number, because the mean of its divisors is an integer number (5390528).

Almost surely, 2^143442450 is an apocalyptic number.

143442450 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 143442450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194059008).

143442450 is an abundant number, since it is smaller than the sum of its proper divisors (244675566).

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

143442450 is a wasteful number, since it uses less digits than its factorization.

143442450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 143442450 is about 11976.7462192367. The cubic root of 143442450 is about 523.4709250060.

Adding to 143442450 its reverse (54244341), we get a palindrome (197686791).

The spelling of 143442450 in words is "one hundred forty-three million, four hundred forty-two thousand, four hundred fifty".