245345615 has 8 divisors (see below), whose sum is σ = 311733360. Its totient is φ = 184730752.

The previous prime is 245345609. The next prime is 245345621. The reversal of 245345615 is 516543542.

It is an interprime number because it is at equal distance from previous prime (245345609) and next prime (245345621).

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 245345615 - 2¹² = 245341519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443125 + ... + 1443294.

It is an arithmetic number, because the mean of its divisors is an integer number (38966670).

Almost surely, 2^245345615 is an apocalyptic number.

245345615 is a deficient number, since it is larger than the sum of its proper divisors (66387745).

245345615 is a wasteful number, since it uses less digits than its factorization.

245345615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886441.

The product of its digits is 72000, while the sum is 35.

The square root of 245345615 is about 15663.5122178903. The cubic root of 245345615 is about 626.0265710532.

The spelling of 245345615 in words is "two hundred forty-five million, three hundred forty-five thousand, six hundred fifteen".