245864823135 has 64 divisors (see below), whose sum is σ = 420503063040. Its totient is φ = 122237050880.

The previous prime is 245864823119. The next prime is 245864823151. The reversal of 245864823135 is 531328468542.

It is an interprime number because it is at equal distance from previous prime (245864823119) and next prime (245864823151).

It is not a de Polignac number, because 245864823135 - 2⁴ = 245864823119 is a prime.

It is a super-3 number, since 3×245864823135³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69471196 + ... + 69474734.

It is an arithmetic number, because the mean of its divisors is an integer number (6570360360).

Almost surely, 2^245864823135 is an apocalyptic number.

245864823135 is a deficient number, since it is larger than the sum of its proper divisors (174638239905).

245864823135 is a wasteful number, since it uses less digits than its factorization.

245864823135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088.

The product of its digits is 5529600, while the sum is 51.

The spelling of 245864823135 in words is "two hundred forty-five billion, eight hundred sixty-four million, eight hundred twenty-three thousand, one hundred thirty-five".