142830450 has 72 divisors (see below), whose sum is σ = 438567168. Its totient is φ = 32646240.

The previous prime is 142830449. The next prime is 142830451. The reversal of 142830450 is 54038241.

It is an interprime number because it is at equal distance from previous prime (142830449) and next prime (142830451).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142830451) 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 35 ways as a sum of consecutive naturals, for example, 19522 + ... + 25821.

Almost surely, 2^142830450 is an apocalyptic number.

142830450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142830450 is an abundant number, since it is smaller than the sum of its proper divisors (295736718).

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

142830450 is a wasteful number, since it uses less digits than its factorization.

142830450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45368 (or 45360 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 142830450 is about 11951.1693988496. The cubic root of 142830450 is about 522.7253974384.

Adding to 142830450 its reverse (54038241), we get a palindrome (196868691).

It can be divided in two parts, 1428 and 30450, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 142830450 in words is "one hundred forty-two million, eight hundred thirty thousand, four hundred fifty".