245143102104 has 64 divisors (see below), whose sum is σ = 680995824000. Its totient is φ = 81709236000.

The previous prime is 245143102049. The next prime is 245143102121. The reversal of 245143102104 is 401201341542.

245143102104 is a `hidden beast` number, since 2 + 451 + 4 + 3 + 102 + 104 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5164479 + ... + 5211729.

It is an arithmetic number, because the mean of its divisors is an integer number (10640559750).

Almost surely, 2^245143102104 is an apocalyptic number.

245143102104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245143102104 is an abundant number, since it is smaller than the sum of its proper divisors (435852721896).

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

245143102104 is a wasteful number, since it uses less digits than its factorization.

245143102104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71285 (or 71275 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 245143102104 its reverse (401201341542), we get a palindrome (646344443646).

The spelling of 245143102104 in words is "two hundred forty-five billion, one hundred forty-three million, one hundred two thousand, one hundred four".