245461843100 has 72 divisors (see below), whose sum is σ = 538034678160. Its totient is φ = 97194746880.

The previous prime is 245461843063. The next prime is 245461843169. The reversal of 245461843100 is 1348164542.

It is a happy number.

It is a super-2 number, since 2×245461843100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9354599 + ... + 9380801.

Almost surely, 2^245461843100 is an apocalyptic number.

245461843100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245461843100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269017339080).

245461843100 is an abundant number, since it is smaller than the sum of its proper divisors (292572835060).

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

245461843100 is a wasteful number, since it uses less digits than its factorization.

245461843100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27159 (or 27152 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 245461843100 in words is "two hundred forty-five billion, four hundred sixty-one million, eight hundred forty-three thousand, one hundred".