245085765 has 16 divisors (see below), whose sum is σ = 394308096. Its totient is φ = 129988800.

The previous prime is 245085749. The next prime is 245085781. The reversal of 245085765 is 567580542.

It is an interprime number because it is at equal distance from previous prime (245085749) and next prime (245085781).

It is not a de Polignac number, because 245085765 - 2⁴ = 245085749 is a prime.

It is a congruent 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, 42421 + ... + 47850.

It is an arithmetic number, because the mean of its divisors is an integer number (24644256).

Almost surely, 2^245085765 is an apocalyptic number.

It is an amenable number.

245085765 is a deficient number, since it is larger than the sum of its proper divisors (149222331).

245085765 is a wasteful number, since it uses less digits than its factorization.

245085765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90460.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 245085765 is about 15655.2152652079. The cubic root of 245085765 is about 625.8054809414.

The spelling of 245085765 in words is "two hundred forty-five million, eighty-five thousand, seven hundred sixty-five".