4542021115 has 8 divisors (see below), whose sum is σ = 5450804928. Its totient is φ = 3633363840.

The previous prime is 4542021103. The next prime is 4542021119. The reversal of 4542021115 is 5111202454.

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

It is not a de Polignac number, because 4542021115 - 2²⁹ = 4005150203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4542021115.

It is not an unprimeable number, because it can be changed into a prime (4542021119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89539 + ... + 130771.

It is an arithmetic number, because the mean of its divisors is an integer number (681350616).

Almost surely, 2^4542021115 is an apocalyptic number.

4542021115 is a deficient number, since it is larger than the sum of its proper divisors (908783813).

4542021115 is a wasteful number, since it uses less digits than its factorization.

4542021115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63269.

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

The square root of 4542021115 is about 67394.5184343653. The cubic root of 4542021115 is about 1656.0866246539.

Adding to 4542021115 its reverse (5111202454), we get a palindrome (9653223569).

The spelling of 4542021115 in words is "four billion, five hundred forty-two million, twenty-one thousand, one hundred fifteen".