142104245 has 4 divisors (see below), whose sum is σ = 170525100. Its totient is φ = 113683392.

The previous prime is 142104233. The next prime is 142104247. The reversal of 142104245 is 542401241.

142104245 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: 542401241 = 37 ⋅14659493.

It can be written as a sum of positive squares in 2 ways, for example, as 45711121 + 96393124 = 6761^2 + 9818^2 .

It is a cyclic number.

It is not a de Polignac number, because 142104245 - 2⁶ = 142104181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142104245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142104247) 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, 14210420 + ... + 14210429.

It is an arithmetic number, because the mean of its divisors is an integer number (42631275).

Almost surely, 2^142104245 is an apocalyptic number.

It is an amenable number.

142104245 is a deficient number, since it is larger than the sum of its proper divisors (28420855).

142104245 is an equidigital number, since it uses as much as digits as its factorization.

142104245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28420854.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 142104245 is about 11920.7485083782. The cubic root of 142104245 is about 521.8379793501.

Adding to 142104245 its reverse (542401241), we get a palindrome (684505486).

The spelling of 142104245 in words is "one hundred forty-two million, one hundred four thousand, two hundred forty-five".