245304343540 has 24 divisors (see below), whose sum is σ = 531756513792. Its totient is φ = 94956519840.

The previous prime is 245304343523. The next prime is 245304343561. The reversal of 245304343540 is 45343403542.

It is a self number, because there is not a number n which added to its sum of digits gives 245304343540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197825464 + ... + 197826703.

It is an arithmetic number, because the mean of its divisors is an integer number (22156521408).

Almost surely, 2^245304343540 is an apocalyptic number.

245304343540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245304343540 is an abundant number, since it is smaller than the sum of its proper divisors (286452170252).

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

245304343540 is a wasteful number, since it uses less digits than its factorization.

245304343540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395652207 (or 395652205 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 37.

The spelling of 245304343540 in words is "two hundred forty-five billion, three hundred four million, three hundred forty-three thousand, five hundred forty".