149184405 has 12 divisors (see below), whose sum is σ = 258586380. Its totient is φ = 79564992.

The previous prime is 149184389. The next prime is 149184421. The reversal of 149184405 is 504481941.

It is an interprime number because it is at equal distance from previous prime (149184389) and next prime (149184421).

It can be written as a sum of positive squares in 2 ways, for example, as 115799121 + 33385284 = 10761^2 + 5778^2 .

It is not a de Polignac number, because 149184405 - 2⁴ = 149184389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149184405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1657560 + ... + 1657649.

It is an arithmetic number, because the mean of its divisors is an integer number (21548865).

Almost surely, 2^149184405 is an apocalyptic number.

149184405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149184405 is a deficient number, since it is larger than the sum of its proper divisors (109401975).

149184405 is a wasteful number, since it uses less digits than its factorization.

149184405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315220 (or 3315217 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 149184405 is about 12214.1068032010. The cubic root of 149184405 is about 530.3645350221.

The spelling of 149184405 in words is "one hundred forty-nine million, one hundred eighty-four thousand, four hundred five".