245120142144 has 56 divisors (see below), whose sum is σ = 648669089248. Its totient is φ = 81691338240.

The previous prime is 245120142133. The next prime is 245120142227. The reversal of 245120142144 is 441241021542.

It is a super-3 number, since 3×245120142144³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926499 + ... + 1161309.

Almost surely, 2^245120142144 is an apocalyptic number.

245120142144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245120142144 is an abundant number, since it is smaller than the sum of its proper divisors (403548947104).

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

245120142144 is a wasteful number, since it uses less digits than its factorization.

245120142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240263 (or 240253 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 245120142144 its reverse (441241021542), we get a palindrome (686361163686).

The spelling of 245120142144 in words is "two hundred forty-five billion, one hundred twenty million, one hundred forty-two thousand, one hundred forty-four".