245120155002 has 24 divisors (see below), whose sum is σ = 549407245140. Its totient is φ = 78889245120.

The previous prime is 245120155001. The next prime is 245120155019. The reversal of 245120155002 is 200551021542.

245120155002 is a `hidden beast` number, since 2 + 451 + 201 + 5 + 5 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 243876957921 + 1243197081 = 493839^2 + 35259^2 .

It is not an unprimeable number, because it can be changed into a prime (245120155001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234788899 + ... + 234789942.

Almost surely, 2^245120155002 is an apocalyptic number.

245120155002 is an abundant number, since it is smaller than the sum of its proper divisors (304287090138).

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

245120155002 is a wasteful number, since it uses less digits than its factorization.

245120155002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469578878 (or 469578875 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 245120155002 its reverse (200551021542), we get a palindrome (445671176544).

The spelling of 245120155002 in words is "two hundred forty-five billion, one hundred twenty million, one hundred fifty-five thousand, two".