107158745 has 4 divisors (see below), whose sum is σ = 128590500. Its totient is φ = 85726992.

The previous prime is 107158729. The next prime is 107158747. The reversal of 107158745 is 547851701.

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: 547851701 = 379 ⋅1445519.

It can be written as a sum of positive squares in 2 ways, for example, as 10883401 + 96275344 = 3299^2 + 9812^2 .

It is a cyclic number.

It is not a de Polignac number, because 107158745 - 2⁴ = 107158729 is a prime.

It is a super-2 number, since 2×107158745² = 22965993259950050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 107158699 and 107158708.

It is not an unprimeable number, because it can be changed into a prime (107158747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10715870 + ... + 10715879.

It is an arithmetic number, because the mean of its divisors is an integer number (32147625).

Almost surely, 2^107158745 is an apocalyptic number.

It is an amenable number.

107158745 is a deficient number, since it is larger than the sum of its proper divisors (21431755).

107158745 is an equidigital number, since it uses as much as digits as its factorization.

107158745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21431754.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 107158745 is about 10351.7508180984. The cubic root of 107158745 is about 474.9806012392.

The spelling of 107158745 in words is "one hundred seven million, one hundred fifty-eight thousand, seven hundred forty-five".