4142521045 has 8 divisors (see below), whose sum is σ = 5353411896. Its totient is φ = 3059092416.

The previous prime is 4142521001. The next prime is 4142521051. The reversal of 4142521045 is 5401252414.

4142521045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 959078961 + 3183442084 = 30969^2 + 56422^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4142521045 - 2⁹ = 4142520533 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 31865482 + ... + 31865611.

It is an arithmetic number, because the mean of its divisors is an integer number (669176487).

Almost surely, 2^4142521045 is an apocalyptic number.

It is an amenable number.

4142521045 is a deficient number, since it is larger than the sum of its proper divisors (1210890851).

4142521045 is a wasteful number, since it uses less digits than its factorization.

4142521045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63731111.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4142521045 is about 64362.4195085921. The cubic root of 4142521045 is about 1606.0346385802.

Adding to 4142521045 its reverse (5401252414), we get a palindrome (9543773459).

The spelling of 4142521045 in words is "four billion, one hundred forty-two million, five hundred twenty-one thousand, forty-five".