4549142105 has 4 divisors (see below), whose sum is σ = 5458970532. Its totient is φ = 3639313680.

The previous prime is 4549142093. The next prime is 4549142107. The reversal of 4549142105 is 5012419454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2357685136 + 2191456969 = 48556^2 + 46813^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4549142105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4549142107) 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, 454914206 + ... + 454914215.

It is an arithmetic number, because the mean of its divisors is an integer number (1364742633).

Almost surely, 2^4549142105 is an apocalyptic number.

It is an amenable number.

4549142105 is a deficient number, since it is larger than the sum of its proper divisors (909828427).

4549142105 is an equidigital number, since it uses as much as digits as its factorization.

4549142105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909828426.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4549142105 is about 67447.3283755554. The cubic root of 4549142105 is about 1656.9516447510.

The spelling of 4549142105 in words is "four billion, five hundred forty-nine million, one hundred forty-two thousand, one hundred five".