142302450 has 48 divisors (see below), whose sum is σ = 355334400. Its totient is φ = 37686720.

The previous prime is 142302401. The next prime is 142302491. The reversal of 142302450 is 54203241.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19167 + ... + 25533.

It is an arithmetic number, because the mean of its divisors is an integer number (7402800).

Almost surely, 2^142302450 is an apocalyptic number.

142302450 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 142302450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177667200).

142302450 is an abundant number, since it is smaller than the sum of its proper divisors (213031950).

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

142302450 is a wasteful number, since it uses less digits than its factorization.

142302450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531 (or 6526 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 142302450 is about 11929.0590576122. The cubic root of 142302450 is about 522.0804840595.

Adding to 142302450 its reverse (54203241), we get a palindrome (196505691).

The spelling of 142302450 in words is "one hundred forty-two million, three hundred two thousand, four hundred fifty".