142543050 has 72 divisors (see below), whose sum is σ = 382859424. Its totient is φ = 35081280.

The previous prime is 142543043. The next prime is 142543067. The reversal of 142543050 is 50345241.

It is a super-2 number, since 2×142543050² = 40637042206605000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142543050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22539 + ... + 28161.

It is an arithmetic number, because the mean of its divisors is an integer number (5317492).

Almost surely, 2^142543050 is an apocalyptic number.

142543050 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 142543050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191429712).

142543050 is an abundant number, since it is smaller than the sum of its proper divisors (240316374).

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

142543050 is a wasteful number, since it uses less digits than its factorization.

142543050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664 (or 5646 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 142543050 is about 11939.1394162226. The cubic root of 142543050 is about 522.3745568533.

Adding to 142543050 its reverse (50345241), we get a palindrome (192888291).

The spelling of 142543050 in words is "one hundred forty-two million, five hundred forty-three thousand, fifty".