145093895685 has 24 divisors (see below), whose sum is σ = 251693128440. Its totient is φ = 77322782592.

The previous prime is 145093895621. The next prime is 145093895693. The reversal of 145093895685 is 586598390541.

145093895685 is a `hidden beast` number, since 1 + 4 + 509 + 38 + 95 + 6 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 706815396 + 144387080289 = 26586^2 + 379983^2 .

It is not a de Polignac number, because 145093895685 - 2⁶ = 145093895621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1204990 + ... + 1319919.

It is an arithmetic number, because the mean of its divisors is an integer number (10487213685).

Almost surely, 2^145093895685 is an apocalyptic number.

145093895685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145093895685 is a deficient number, since it is larger than the sum of its proper divisors (106599232755).

145093895685 is a wasteful number, since it uses less digits than its factorization.

145093895685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526197 (or 2526194 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 63.

The spelling of 145093895685 in words is "one hundred forty-five billion, ninety-three million, eight hundred ninety-five thousand, six hundred eighty-five".