105525145 has 16 divisors (see below), whose sum is σ = 145414080. Its totient is φ = 72705600.

The previous prime is 105525143. The next prime is 105525149. The reversal of 105525145 is 541525501.

It is not a de Polignac number, because 105525145 - 2¹ = 105525143 is a prime.

It is a super-2 number, since 2×105525145² = 22271112454542050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105525143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49446 + ... + 51535.

It is an arithmetic number, because the mean of its divisors is an integer number (9088380).

Almost surely, 2^105525145 is an apocalyptic number.

It is an amenable number.

105525145 is a deficient number, since it is larger than the sum of its proper divisors (39888935).

105525145 is a wasteful number, since it uses less digits than its factorization.

105525145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101016.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 105525145 is about 10272.5432586093. The cubic root of 105525145 is about 472.5545899620.

The spelling of 105525145 in words is "one hundred five million, five hundred twenty-five thousand, one hundred forty-five".