18076149 has 48 divisors (see below), whose sum is σ = 33579840. Its totient is φ = 9525600.

The previous prime is 18076139. The next prime is 18076171. The reversal of 18076149 is 94167081.

It is not a de Polignac number, because 18076149 - 2⁴ = 18076133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18076139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16674 + ... + 17724.

It is an arithmetic number, because the mean of its divisors is an integer number (699580).

Almost surely, 2^18076149 is an apocalyptic number.

It is an amenable number.

18076149 is a deficient number, since it is larger than the sum of its proper divisors (15503691).

18076149 is a wasteful number, since it uses less digits than its factorization.

18076149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 18076149 is about 4251.6054614698. The cubic root of 18076149 is about 262.4431877051.

It can be divided in two parts, 18076 and 149, that added together give a square (18225 = 135²).

The spelling of 18076149 in words is "eighteen million, seventy-six thousand, one hundred forty-nine".