142502113 has 4 divisors (see below), whose sum is σ = 153463828. Its totient is φ = 131540400.

The previous prime is 142502111. The next prime is 142502123. The reversal of 142502113 is 311205241.

142502113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311205241 = 53 ⋅5871797.

It can be written as a sum of positive squares in 2 ways, for example, as 36144144 + 106357969 = 6012^2 + 10313^2 .

It is a cyclic number.

It is not a de Polignac number, because 142502113 - 2¹ = 142502111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142502111) 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, 5480838 + ... + 5480863.

It is an arithmetic number, because the mean of its divisors is an integer number (38365957).

Almost surely, 2^142502113 is an apocalyptic number.

142502113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142502113 is a deficient number, since it is larger than the sum of its proper divisors (10961715).

142502113 is a wasteful number, since it uses less digits than its factorization.

142502113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961714.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 142502113 is about 11937.4248898161. The cubic root of 142502113 is about 522.3245450740.

Adding to 142502113 its reverse (311205241), we get a palindrome (453707354).

The spelling of 142502113 in words is "one hundred forty-two million, five hundred two thousand, one hundred thirteen".