149984449 has 8 divisors (see below), whose sum is σ = 157651200. Its totient is φ = 142413216.

The previous prime is 149984441. The next prime is 149984453. The reversal of 149984449 is 944489941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149984449 - 2³ = 149984441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149984396 and 149984405.

It is not an unprimeable number, because it can be changed into a prime (149984441) 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 7 ways as a sum of consecutive naturals, for example, 20649 + ... + 26950.

It is an arithmetic number, because the mean of its divisors is an integer number (19706400).

Almost surely, 2^149984449 is an apocalyptic number.

It is an amenable number.

149984449 is a deficient number, since it is larger than the sum of its proper divisors (7666751).

149984449 is a wasteful number, since it uses less digits than its factorization.

149984449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47759.

The product of its digits is 1492992, while the sum is 52.

The square root of 149984449 is about 12246.8138305438. The cubic root of 149984449 is about 531.3109223974.

The spelling of 149984449 in words is "one hundred forty-nine million, nine hundred eighty-four thousand, four hundred forty-nine".