4102521145 has 8 divisors (see below), whose sum is σ = 5003731080. Its totient is φ = 3228213120.

The previous prime is 4102521139. The next prime is 4102521179. The reversal of 4102521145 is 5411252014.

It can be written as a sum of positive squares in 4 ways, for example, as 63664441 + 4038856704 = 7979^2 + 63552^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4102521145 is a prime.

It is a super-2 number, since 2×4102521145² = 33661359490344222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6725140 + ... + 6725749.

It is an arithmetic number, because the mean of its divisors is an integer number (625466385).

Almost surely, 2^4102521145 is an apocalyptic number.

It is an amenable number.

4102521145 is a deficient number, since it is larger than the sum of its proper divisors (901209935).

4102521145 is a wasteful number, since it uses less digits than its factorization.

4102521145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450955.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 4102521145 is about 64050.9261837797. The cubic root of 4102521145 is about 1600.8486572054.

Adding to 4102521145 its reverse (5411252014), we get a palindrome (9513773159).

The spelling of 4102521145 in words is "four billion, one hundred two million, five hundred twenty-one thousand, one hundred forty-five".