245232015 has 48 divisors (see below), whose sum is σ = 460769760. Its totient is φ = 111041280.

The previous prime is 245232011. The next prime is 245232023. The reversal of 245232015 is 510232542.

It is not a de Polignac number, because 245232015 - 2² = 245232011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245232011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78585 + ... + 81645.

It is an arithmetic number, because the mean of its divisors is an integer number (9599370).

Almost surely, 2^245232015 is an apocalyptic number.

245232015 is a deficient number, since it is larger than the sum of its proper divisors (215537745).

245232015 is a wasteful number, since it uses less digits than its factorization.

245232015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 245232015 is about 15659.8855359801. The cubic root of 245232015 is about 625.9299351335.

Adding to 245232015 its reverse (510232542), we get a palindrome (755464557).

The spelling of 245232015 in words is "two hundred forty-five million, two hundred thirty-two thousand, fifteen".