142514530 has 8 divisors (see below), whose sum is σ = 256526172. Its totient is φ = 57005808.

The previous prime is 142514527. The next prime is 142514539. The reversal of 142514530 is 35415241.

It is a happy number.

142514530 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 2 ways, for example, as 141776649 + 737881 = 11907^2 + 859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142514530² = 40620782522241800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142514495 and 142514504.

It is not an unprimeable number, because it can be changed into a prime (142514539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7125717 + ... + 7125736.

Almost surely, 2^142514530 is an apocalyptic number.

142514530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142514530 is a deficient number, since it is larger than the sum of its proper divisors (114011642).

142514530 is a wasteful number, since it uses less digits than its factorization.

142514530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251460.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 142514530 is about 11937.9449655290. The cubic root of 142514530 is about 522.3397156455.

Adding to 142514530 its reverse (35415241), we get a palindrome (177929771).

It can be divided in two parts, 14251 and 4530, that added together give a palindrome (18781).

The spelling of 142514530 in words is "one hundred forty-two million, five hundred fourteen thousand, five hundred thirty".