245413610181 has 24 divisors (see below), whose sum is σ = 373380228000. Its totient is φ = 154899736992.

The previous prime is 245413610179. The next prime is 245413610203. The reversal of 245413610181 is 181016314542.

245413610181 is a `hidden beast` number, since 2 + 4 + 5 + 413 + 61 + 0 + 181 = 666.

It is not a de Polignac number, because 245413610181 - 2¹ = 245413610179 is a prime.

It is a super-2 number, since 2×245413610181² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245413610111) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 184446 + ... + 724463.

It is an arithmetic number, because the mean of its divisors is an integer number (15557509500).

Almost surely, 2^245413610181 is an apocalyptic number.

It is an amenable number.

245413610181 is a deficient number, since it is larger than the sum of its proper divisors (127966617819).

245413610181 is a wasteful number, since it uses less digits than its factorization.

245413610181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910513 (or 910510 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 245413610181 in words is "two hundred forty-five billion, four hundred thirteen million, six hundred ten thousand, one hundred eighty-one".