245146353805 has 32 divisors (see below), whose sum is σ = 305441280000. Its totient is φ = 188657865984.

The previous prime is 245146353797. The next prime is 245146353821. The reversal of 245146353805 is 508353641542.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 245146353805 - 2³ = 245146353797 is a prime.

It is a super-3 number, since 3×245146353805³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49935691 + ... + 49940599.

It is an arithmetic number, because the mean of its divisors is an integer number (9545040000).

Almost surely, 2^245146353805 is an apocalyptic number.

It is an amenable number.

245146353805 is a deficient number, since it is larger than the sum of its proper divisors (60294926195).

245146353805 is a wasteful number, since it uses less digits than its factorization.

245146353805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 245146353805 in words is "two hundred forty-five billion, one hundred forty-six million, three hundred fifty-three thousand, eight hundred five".