142530492 has 48 divisors (see below), whose sum is σ = 360364032. Its totient is φ = 43584960.

The previous prime is 142530463. The next prime is 142530511. The reversal of 142530492 is 294035241.

It is a super-2 number, since 2×142530492² = 40629882299524128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23317 + ... + 28787.

It is an arithmetic number, because the mean of its divisors is an integer number (7507584).

Almost surely, 2^142530492 is an apocalyptic number.

142530492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142530492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180182016).

142530492 is an abundant number, since it is smaller than the sum of its proper divisors (217833540).

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

142530492 is a wasteful number, since it uses less digits than its factorization.

142530492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658 (or 5656 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 142530492 is about 11938.6134873360. The cubic root of 142530492 is about 522.3592160555.

The spelling of 142530492 in words is "one hundred forty-two million, five hundred thirty thousand, four hundred ninety-two".