5549142146 has 4 divisors (see below), whose sum is σ = 8323713222. Its totient is φ = 2774571072.

The previous prime is 5549142143. The next prime is 5549142161. The reversal of 5549142146 is 6412419455.

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

It can be written as a sum of positive squares in only one way, i.e., 5536996921 + 12145225 = 74411^2 + 3485^2 .

It is not an unprimeable number, because it can be changed into a prime (5549142143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387285535 + ... + 1387285538.

Almost surely, 2^5549142146 is an apocalyptic number.

5549142146 is a deficient number, since it is larger than the sum of its proper divisors (2774571076).

5549142146 is a wasteful number, since it uses less digits than its factorization.

5549142146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774571075.

The product of its digits is 172800, while the sum is 41.

The square root of 5549142146 is about 74492.5643671904. The cubic root of 5549142146 is about 1770.4158264193.

The spelling of 5549142146 in words is "five billion, five hundred forty-nine million, one hundred forty-two thousand, one hundred forty-six".