245023415 has 16 divisors (see below), whose sum is σ = 361881408. Its totient is φ = 155091456.

The previous prime is 245023403. The next prime is 245023433. The reversal of 245023415 is 514320542.

It is a happy number.

It is not a de Polignac number, because 245023415 - 2⁶ = 245023351 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, 268802 + ... + 269711.

It is an arithmetic number, because the mean of its divisors is an integer number (22617588).

Almost surely, 2^245023415 is an apocalyptic number.

245023415 is a deficient number, since it is larger than the sum of its proper divisors (116857993).

245023415 is a wasteful number, since it uses less digits than its factorization.

245023415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538538.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 245023415 is about 15653.2237893668. The cubic root of 245023415 is about 625.7524079814.

Adding to 245023415 its reverse (514320542), we get a palindrome (759343957).

The spelling of 245023415 in words is "two hundred forty-five million, twenty-three thousand, four hundred fifteen".