149600005 has 4 divisors (see below), whose sum is σ = 179520012. Its totient is φ = 119680000.

The previous prime is 149599979. The next prime is 149600071. The reversal of 149600005 is 500006941.

149600005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88228449 + 61371556 = 9393^2 + 7834^2 .

It is not a de Polignac number, because 149600005 - 2²¹ = 147502853 is a prime.

It is a super-2 number, since 2×149600005² = 44760322992000050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14959996 + ... + 14960005.

It is an arithmetic number, because the mean of its divisors is an integer number (44880003).

Almost surely, 2^149600005 is an apocalyptic number.

It is an amenable number.

149600005 is a deficient number, since it is larger than the sum of its proper divisors (29920007).

149600005 is an equidigital number, since it uses as much as digits as its factorization.

149600005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29920006.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 149600005 is about 12231.1080855334. The cubic root of 149600005 is about 530.8565773693.

Adding to 149600005 its reverse (500006941), we get a palindrome (649606946).

The spelling of 149600005 in words is "one hundred forty-nine million, six hundred thousand, five".