149049667 has 8 divisors (see below), whose sum is σ = 160682480. Its totient is φ = 137440800.

The previous prime is 149049619. The next prime is 149049673. The reversal of 149049667 is 766940941.

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 149049667 - 2⁷ = 149049539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149049367) 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, 8209 + ... + 19117.

It is an arithmetic number, because the mean of its divisors is an integer number (20085310).

Almost surely, 2^149049667 is an apocalyptic number.

149049667 is a deficient number, since it is larger than the sum of its proper divisors (11632813).

149049667 is a wasteful number, since it uses less digits than its factorization.

149049667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11973.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 149049667 is about 12208.5898858140. The cubic root of 149049667 is about 530.2048181917.

The spelling of 149049667 in words is "one hundred forty-nine million, forty-nine thousand, six hundred sixty-seven".