245514134615 has 4 divisors (see below), whose sum is σ = 294616961544. Its totient is φ = 196411307688.

The previous prime is 245514134611. The next prime is 245514134617. The reversal of 245514134615 is 516431415542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245514134615 - 2² = 245514134611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245514134611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24551413457 + ... + 24551413466.

It is an arithmetic number, because the mean of its divisors is an integer number (73654240386).

Almost surely, 2^245514134615 is an apocalyptic number.

245514134615 is a deficient number, since it is larger than the sum of its proper divisors (49102826929).

245514134615 is an equidigital number, since it uses as much as digits as its factorization.

245514134615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49102826928.

The product of its digits is 288000, while the sum is 41.

The spelling of 245514134615 in words is "two hundred forty-five billion, five hundred fourteen million, one hundred thirty-four thousand, six hundred fifteen".