143285450 has 48 divisors (see below), whose sum is σ = 332282304. Its totient is φ = 44659200.

The previous prime is 143285419. The next prime is 143285459. The reversal of 143285450 is 54582341.

It is not an unprimeable number, because it can be changed into a prime (143285459) 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, 14759 + ... + 22458.

It is an arithmetic number, because the mean of its divisors is an integer number (6922548).

Almost surely, 2^143285450 is an apocalyptic number.

143285450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143285450 is an abundant number, since it is smaller than the sum of its proper divisors (188996854).

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

143285450 is a wasteful number, since it uses less digits than its factorization.

143285450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37247 (or 37242 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 143285450 is about 11970.1900569707. The cubic root of 143285450 is about 523.2798729204.

The spelling of 143285450 in words is "one hundred forty-three million, two hundred eighty-five thousand, four hundred fifty".