245231343120 has 40 divisors (see below), whose sum is σ = 760217164416. Its totient is φ = 65395024768.

The previous prime is 245231343031. The next prime is 245231343131. The reversal of 245231343120 is 21343132542.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510898392 + ... + 510898871.

Almost surely, 2^245231343120 is an apocalyptic number.

245231343120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245231343120 is an abundant number, since it is smaller than the sum of its proper divisors (514985821296).

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

245231343120 is a wasteful number, since it uses less digits than its factorization.

245231343120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021797279 (or 1021797273 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 245231343120 its reverse (21343132542), we get a palindrome (266574475662).

The spelling of 245231343120 in words is "two hundred forty-five billion, two hundred thirty-one million, three hundred forty-three thousand, one hundred twenty".