85605240145 has 16 divisors (see below), whose sum is σ = 108531982080. Its totient is φ = 64640332800.

The previous prime is 85605240121. The next prime is 85605240187. The reversal of 85605240145 is 54104250658.

It is not a de Polignac number, because 85605240145 - 2⁵ = 85605240113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85605240098 and 85605240107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636816 + ... + 1688305.

It is an arithmetic number, because the mean of its divisors is an integer number (6783248880).

Almost surely, 2^85605240145 is an apocalyptic number.

It is an amenable number.

85605240145 is a deficient number, since it is larger than the sum of its proper divisors (22926741935).

85605240145 is a wasteful number, since it uses less digits than its factorization.

85605240145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325416.

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 85605240145 in words is "eighty-five billion, six hundred five million, two hundred forty thousand, one hundred forty-five".