245400455012 has 6 divisors (see below), whose sum is σ = 429450796278. Its totient is φ = 122700227504.

The previous prime is 245400455009. The next prime is 245400455017. The reversal of 245400455012 is 210554004542.

245400455012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 209154387556 + 36246067456 = 457334^2 + 190384^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245400455012.

It is not an unprimeable number, because it can be changed into a prime (245400455017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30675056873 + ... + 30675056880.

It is an arithmetic number, because the mean of its divisors is an integer number (71575132713).

Almost surely, 2^245400455012 is an apocalyptic number.

It is an amenable number.

245400455012 is a deficient number, since it is larger than the sum of its proper divisors (184050341266).

245400455012 is a wasteful number, since it uses less digits than its factorization.

245400455012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61350113757 (or 61350113755 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 245400455012 its reverse (210554004542), we get a palindrome (455954459554).

The spelling of 245400455012 in words is "two hundred forty-five billion, four hundred million, four hundred fifty-five thousand, twelve".