9538142245 has 4 divisors (see below), whose sum is σ = 11445770700. Its totient is φ = 7630513792.

The previous prime is 9538142231. The next prime is 9538142261. The reversal of 9538142245 is 5422418359.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5422418359 = 1231 ⋅4404889.

It can be written as a sum of positive squares in 2 ways, for example, as 5905307716 + 3632834529 = 76846^2 + 60273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9538142245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953814220 + ... + 953814229.

It is an arithmetic number, because the mean of its divisors is an integer number (2861442675).

Almost surely, 2^9538142245 is an apocalyptic number.

It is an amenable number.

9538142245 is a deficient number, since it is larger than the sum of its proper divisors (1907628455).

9538142245 is a wasteful number, since it uses less digits than its factorization.

9538142245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907628454.

The product of its digits is 345600, while the sum is 43.

The square root of 9538142245 is about 97663.4130316978. The cubic root of 9538142245 is about 2120.7424601474.

The spelling of 9538142245 in words is "nine billion, five hundred thirty-eight million, one hundred forty-two thousand, two hundred forty-five".