142312514 has 4 divisors (see below), whose sum is σ = 213468774. Its totient is φ = 71156256.

The previous prime is 142312501. The next prime is 142312519. The reversal of 142312514 is 415213241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415213241 = 16987 ⋅24443.

It can be written as a sum of positive squares in only one way, i.e., 128436889 + 13875625 = 11333^2 + 3725^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142312514.

It is not an unprimeable number, because it can be changed into a prime (142312519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35578127 + ... + 35578130.

Almost surely, 2^142312514 is an apocalyptic number.

142312514 is a deficient number, since it is larger than the sum of its proper divisors (71156260).

142312514 is an equidigital number, since it uses as much as digits as its factorization.

142312514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71156259.

The product of its digits is 960, while the sum is 23.

The square root of 142312514 is about 11929.4808772218. The cubic root of 142312514 is about 522.0927914001.

Adding to 142312514 its reverse (415213241), we get a palindrome (557525755).

The spelling of 142312514 in words is "one hundred forty-two million, three hundred twelve thousand, five hundred fourteen".