245231102015 has 4 divisors (see below), whose sum is σ = 294277322424. Its totient is φ = 196184881608.

The previous prime is 245231102003. The next prime is 245231102059. The reversal of 245231102015 is 510201132542.

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 245231102015 - 2¹⁰ = 245231100991 is a prime.

It is a super-3 number, since 3×245231102015³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24523110197 + ... + 24523110206.

It is an arithmetic number, because the mean of its divisors is an integer number (73569330606).

Almost surely, 2^245231102015 is an apocalyptic number.

245231102015 is a deficient number, since it is larger than the sum of its proper divisors (49046220409).

245231102015 is an equidigital number, since it uses as much as digits as its factorization.

245231102015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49046220408.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 245231102015 its reverse (510201132542), we get a palindrome (755432234557).

The spelling of 245231102015 in words is "two hundred forty-five billion, two hundred thirty-one million, one hundred two thousand, fifteen".