142313028 has 96 divisors (see below), whose sum is σ = 392878080. Its totient is φ = 39527040.

The previous prime is 142313023. The next prime is 142313053. The reversal of 142313028 is 820313241.

It is a junction number, because it is equal to n+sod(n) for n = 142312989 and 142313007.

It is not an unprimeable number, because it can be changed into a prime (142313023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409951 + ... + 410297.

It is an arithmetic number, because the mean of its divisors is an integer number (4092480).

Almost surely, 2^142313028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142313028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196439040).

142313028 is an abundant number, since it is smaller than the sum of its proper divisors (250565052).

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

142313028 is a wasteful number, since it uses less digits than its factorization.

142313028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 142313028 is about 11929.5024204700. The cubic root of 142313028 is about 522.0934199589.

Adding to 142313028 its reverse (820313241), we get a palindrome (962626269).

The spelling of 142313028 in words is "one hundred forty-two million, three hundred thirteen thousand, twenty-eight".