245345152540 has 24 divisors (see below), whose sum is σ = 515812342752. Its totient is φ = 98026152000.

The previous prime is 245345152511. The next prime is 245345152561. The reversal of 245345152540 is 45251543542.

It is a junction number, because it is equal to n+sod(n) for n = 245345152493 and 245345152502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6976336 + ... + 7011415.

It is an arithmetic number, because the mean of its divisors is an integer number (21492180948).

Almost surely, 2^245345152540 is an apocalyptic number.

245345152540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245345152540 is an abundant number, since it is smaller than the sum of its proper divisors (270467190212).

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

245345152540 is a wasteful number, since it uses less digits than its factorization.

245345152540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13988637 (or 13988635 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 245345152540 in words is "two hundred forty-five billion, three hundred forty-five million, one hundred fifty-two thousand, five hundred forty".