93907145 has 4 divisors (see below), whose sum is σ = 112688580. Its totient is φ = 75125712.

The previous prime is 93907123. The next prime is 93907157. The reversal of 93907145 is 54170939.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54170939 = 2777 ⋅19507.

It can be written as a sum of positive squares in 2 ways, for example, as 27793984 + 66113161 = 5272^2 + 8131^2 .

It is a cyclic number.

It is not a de Polignac number, because 93907145 - 2¹⁰ = 93906121 is a prime.

It is a super-3 number, since 3×93907145³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 93907099 and 93907108.

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 3 ways as a sum of consecutive naturals, for example, 9390710 + ... + 9390719.

It is an arithmetic number, because the mean of its divisors is an integer number (28172145).

Almost surely, 2^93907145 is an apocalyptic number.

It is an amenable number.

93907145 is a deficient number, since it is larger than the sum of its proper divisors (18781435).

93907145 is a wasteful number, since it uses less digits than its factorization.

93907145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18781434.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 93907145 is about 9690.5699006818. The cubic root of 93907145 is about 454.5338299997.

The spelling of 93907145 in words is "ninety-three million, nine hundred seven thousand, one hundred forty-five".