142007528 has 64 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 59673600.

The previous prime is 142007527. The next prime is 142007531. The reversal of 142007528 is 825700241.

It is a super-2 number, since 2×142007528² = 40332276017341568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142007528.

It is not an unprimeable number, because it can be changed into a prime (142007527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53513 + ... + 56103.

It is an arithmetic number, because the mean of its divisors is an integer number (4898880).

Almost surely, 2^142007528 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 142007528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156764160).

142007528 is an abundant number, since it is smaller than the sum of its proper divisors (171520792).

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

142007528 is a wasteful number, since it uses less digits than its factorization.

142007528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 142007528 is about 11916.6911514900. The cubic root of 142007528 is about 521.7195637968.

Adding to 142007528 its reverse (825700241), we get a palindrome (967707769).

The spelling of 142007528 in words is "one hundred forty-two million, seven thousand, five hundred twenty-eight".