245043142100 has 18 divisors (see below), whose sum is σ = 531743618574. Its totient is φ = 98017256800.

The previous prime is 245043142093. The next prime is 245043142121. The reversal of 245043142100 is 1241340542.

It can be written as a sum of positive squares in 3 ways, for example, as 8290830916 + 236752311184 = 91054^2 + 486572^2 .

It is a super-2 number, since 2×245043142100² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245043142100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1225215611 + ... + 1225215810.

It is an arithmetic number, because the mean of its divisors is an integer number (29541312143).

Almost surely, 2^245043142100 is an apocalyptic number.

245043142100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245043142100 is an abundant number, since it is smaller than the sum of its proper divisors (286700476474).

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

245043142100 is a wasteful number, since it uses less digits than its factorization.

245043142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450431435 (or 2450431428 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 245043142100 its reverse (1241340542), we get a palindrome (246284482642).

The spelling of 245043142100 in words is "two hundred forty-five billion, forty-three million, one hundred forty-two thousand, one hundred".