245155523549 has 8 divisors (see below), whose sum is σ = 250666539648. Its totient is φ = 239692638960.

The previous prime is 245155523527. The next prime is 245155523573. The reversal of 245155523549 is 945325551542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245155523549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245155523497 and 245155523506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245155523749) 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, 12022577 + ... + 12042950.

It is an arithmetic number, because the mean of its divisors is an integer number (31333317456).

Almost surely, 2^245155523549 is an apocalyptic number.

It is an amenable number.

245155523549 is a deficient number, since it is larger than the sum of its proper divisors (5511016099).

245155523549 is a wasteful number, since it uses less digits than its factorization.

245155523549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24065755.

The product of its digits is 5400000, while the sum is 50.

The spelling of 245155523549 in words is "two hundred forty-five billion, one hundred fifty-five million, five hundred twenty-three thousand, five hundred forty-nine".