245870340145 has 16 divisors (see below), whose sum is σ = 322477383168. Its totient is φ = 179154097920.

The previous prime is 245870340119. The next prime is 245870340167. The reversal of 245870340145 is 541043078542.

It is not a de Polignac number, because 245870340145 - 2²⁷ = 245736122417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46652079 + ... + 46657348.

It is an arithmetic number, because the mean of its divisors is an integer number (20154836448).

Almost surely, 2^245870340145 is an apocalyptic number.

It is an amenable number.

245870340145 is a deficient number, since it is larger than the sum of its proper divisors (76607043023).

245870340145 is a wasteful number, since it uses less digits than its factorization.

245870340145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93309480.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 245870340145 in words is "two hundred forty-five billion, eight hundred seventy million, three hundred forty thousand, one hundred forty-five".