245304561543 has 8 divisors (see below), whose sum is σ = 344287104000. Its totient is φ = 154929196728.

The previous prime is 245304561527. The next prime is 245304561553. The reversal of 245304561543 is 345165403542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245304561543 - 2⁴ = 245304561527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245304561495 and 245304561504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245304561553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151794343 + ... + 2151794456.

It is an arithmetic number, because the mean of its divisors is an integer number (43035888000).

Almost surely, 2^245304561543 is an apocalyptic number.

245304561543 is a deficient number, since it is larger than the sum of its proper divisors (98982542457).

245304561543 is a wasteful number, since it uses less digits than its factorization.

245304561543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303588821.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 245304561543 in words is "two hundred forty-five billion, three hundred four million, five hundred sixty-one thousand, five hundred forty-three".