9142645307 has 4 divisors (see below), whose sum is σ = 9168993336. Its totient is φ = 9116297280.

The previous prime is 9142645243. The next prime is 9142645361. The reversal of 9142645307 is 7035462419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9142645307 - 2⁶ = 9142645243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9142645367) 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, 13173494 + ... + 13174187.

It is an arithmetic number, because the mean of its divisors is an integer number (2292248334).

Almost surely, 2^9142645307 is an apocalyptic number.

9142645307 is a deficient number, since it is larger than the sum of its proper divisors (26348029).

9142645307 is a wasteful number, since it uses less digits than its factorization.

9142645307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26348028.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 9142645307 is about 95617.1810241235. The cubic root of 9142645307 is about 2091.0156847541.

The spelling of 9142645307 in words is "nine billion, one hundred forty-two million, six hundred forty-five thousand, three hundred seven".