149444705 has 16 divisors (see below), whose sum is σ = 192564864. Its totient is φ = 110933760.

The previous prime is 149444681. The next prime is 149444717. The reversal of 149444705 is 507444941.

It is not a de Polignac number, because 149444705 - 2¹⁰ = 149443681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6347 + ... + 18416.

It is an arithmetic number, because the mean of its divisors is an integer number (12035304).

Almost surely, 2^149444705 is an apocalyptic number.

It is an amenable number.

149444705 is a deficient number, since it is larger than the sum of its proper divisors (43120159).

149444705 is a wasteful number, since it uses less digits than its factorization.

149444705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24856.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 149444705 is about 12224.7578708128. The cubic root of 149444705 is about 530.6728194194.

The spelling of 149444705 in words is "one hundred forty-nine million, four hundred forty-four thousand, seven hundred five".