245417145 has 16 divisors (see below), whose sum is σ = 392878080. Its totient is φ = 130818944.

The previous prime is 245417143. The next prime is 245417147. The reversal of 245417145 is 541714542.

It is an interprime number because it is at equal distance from previous prime (245417143) and next prime (245417147).

It is a cyclic number.

It is not a de Polignac number, because 245417145 - 2¹ = 245417143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245417143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37261 + ... + 43349.

It is an arithmetic number, because the mean of its divisors is an integer number (24554880).

Almost surely, 2^245417145 is an apocalyptic number.

It is an amenable number.

245417145 is a deficient number, since it is larger than the sum of its proper divisors (147460935).

245417145 is a wasteful number, since it uses less digits than its factorization.

245417145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784.

The product of its digits is 22400, while the sum is 33.

The square root of 245417145 is about 15665.7953835737. The cubic root of 245417145 is about 626.0874040533.

The spelling of 245417145 in words is "two hundred forty-five million, four hundred seventeen thousand, one hundred forty-five".