245185142331 has 8 divisors (see below), whose sum is σ = 326991173184. Its totient is φ = 163417936520.

The previous prime is 245185142303. The next prime is 245185142351. The reversal of 245185142331 is 133241581542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245185142331 - 2⁵ = 245185142299 is a prime.

It is a super-2 number, since 2×245185142331² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245185142331.

It is not an unprimeable number, because it can be changed into a prime (245185142351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9691521 + ... + 9716786.

It is an arithmetic number, because the mean of its divisors is an integer number (40873896648).

Almost surely, 2^245185142331 is an apocalyptic number.

245185142331 is a deficient number, since it is larger than the sum of its proper divisors (81806030853).

245185142331 is a wasteful number, since it uses less digits than its factorization.

245185142331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19412521.

The product of its digits is 115200, while the sum is 39.

The spelling of 245185142331 in words is "two hundred forty-five billion, one hundred eighty-five million, one hundred forty-two thousand, three hundred thirty-one".