549002145 has 16 divisors (see below), whose sum is σ = 879776640. Its totient is φ = 292343424.

The previous prime is 549002137. The next prime is 549002147. The reversal of 549002145 is 541200945.

It is not a de Polignac number, because 549002145 - 2³ = 549002137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549002147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18580 + ... + 37989.

It is an arithmetic number, because the mean of its divisors is an integer number (54986040).

Almost surely, 2^549002145 is an apocalyptic number.

It is an amenable number.

549002145 is a deficient number, since it is larger than the sum of its proper divisors (330774495).

549002145 is a wasteful number, since it uses less digits than its factorization.

549002145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57224.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 549002145 is about 23430.7948008598. The cubic root of 549002145 is about 818.8254774153.

The spelling of 549002145 in words is "five hundred forty-nine million, two thousand, one hundred forty-five".