184945049 has 4 divisors (see below), whose sum is σ = 186740736. Its totient is φ = 183149364.

The previous prime is 184945043. The next prime is 184945063. The reversal of 184945049 is 940549481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940549481 = 2741 ⋅343141.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-184945049 is a prime.

It is a super-2 number, since 2×184945049² = 68409342299224802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (184945043) 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 in 3 ways as a sum of consecutive naturals, for example, 897689 + ... + 897894.

It is an arithmetic number, because the mean of its divisors is an integer number (46685184).

Almost surely, 2^184945049 is an apocalyptic number.

It is an amenable number.

184945049 is a deficient number, since it is larger than the sum of its proper divisors (1795687).

184945049 is a wasteful number, since it uses less digits than its factorization.

184945049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795686.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 184945049 is about 13599.4503197740. The cubic root of 184945049 is about 569.7454993935.

The spelling of 184945049 in words is "one hundred eighty-four million, nine hundred forty-five thousand, forty-nine".