142130450 has 192 divisors, whose sum is σ = 364262400. Its totient is φ = 39916800.

The previous prime is 142130423. The next prime is 142130459. The reversal of 142130450 is 54031241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142130459) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 2121317 + ... + 2121383.

It is an arithmetic number, because the mean of its divisors is an integer number (1897200).

Almost surely, 2^142130450 is an apocalyptic number.

142130450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142130450 is an abundant number, since it is smaller than the sum of its proper divisors (222131950).

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

142130450 is a wasteful number, since it uses less digits than its factorization.

142130450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 140 counting only the distinct ones).

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

The square root of 142130450 is about 11921.8475917116. The cubic root of 142130450 is about 521.8700542159.

Adding to 142130450 its reverse (54031241), we get a palindrome (196161691).

The spelling of 142130450 in words is "one hundred forty-two million, one hundred thirty thousand, four hundred fifty".