143120450 has 48 divisors (see below), whose sum is σ = 307507104. Its totient is φ = 48979200.

The previous prime is 143120447. The next prime is 143120479. The reversal of 143120450 is 54021341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1697 + ... + 17003.

It is an arithmetic number, because the mean of its divisors is an integer number (6406398).

Almost surely, 2^143120450 is an apocalyptic number.

143120450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143120450 is an abundant number, since it is smaller than the sum of its proper divisors (164386654).

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

143120450 is a wasteful number, since it uses less digits than its factorization.

143120450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15347 (or 15342 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 143120450 is about 11963.2959505314. The cubic root of 143120450 is about 523.0789352298.

Adding to 143120450 its reverse (54021341), we get a palindrome (197141791).

The spelling of 143120450 in words is "one hundred forty-three million, one hundred twenty thousand, four hundred fifty".