142300520 has 32 divisors (see below), whose sum is σ = 328833000. Its totient is φ = 55381248.

The previous prime is 142300511. The next prime is 142300531. The reversal of 142300520 is 25003241.

142300520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 139759684 + 2540836 = 11822^2 + 1594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46595 + ... + 49554.

Almost surely, 2^142300520 is an apocalyptic number.

142300520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142300520 is an abundant number, since it is smaller than the sum of its proper divisors (186532480).

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

142300520 is a wasteful number, since it uses less digits than its factorization.

142300520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96197 (or 96193 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 142300520 is about 11928.9781624412. The cubic root of 142300520 is about 522.0781237818.

Adding to 142300520 its reverse (25003241), we get a palindrome (167303761).

The spelling of 142300520 in words is "one hundred forty-two million, three hundred thousand, five hundred twenty".