245123553252 has 48 divisors (see below), whose sum is σ = 587352729600. Its totient is φ = 79537305120.

The previous prime is 245123553149. The next prime is 245123553253. The reversal of 245123553252 is 252355321542.

It is a self number, because there is not a number n which added to its sum of digits gives 245123553252.

It is not an unprimeable number, because it can be changed into a prime (245123553253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1753602 + ... + 1888217.

It is an arithmetic number, because the mean of its divisors is an integer number (12236515200).

Almost surely, 2^245123553252 is an apocalyptic number.

It is an amenable number.

245123553252 is an abundant number, since it is smaller than the sum of its proper divisors (342229176348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245123553252 is a wasteful number, since it uses less digits than its factorization.

245123553252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641976 (or 3641974 counting only the distinct ones).

The product of its digits is 360000, while the sum is 39.

Adding to 245123553252 its reverse (252355321542), we get a palindrome (497478874794).

The spelling of 245123553252 in words is "two hundred forty-five billion, one hundred twenty-three million, five hundred fifty-three thousand, two hundred fifty-two".