149090306 has 8 divisors (see below), whose sum is σ = 236790540. Its totient is φ = 70160128.

The previous prime is 149090297. The next prime is 149090317. The reversal of 149090306 is 603090941.

It can be written as a sum of positive squares in 2 ways, for example, as 149059681 + 30625 = 12209^2 + 175^2 .

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

It is a Curzon 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, 2192471 + ... + 2192538.

Almost surely, 2^149090306 is an apocalyptic number.

149090306 is a deficient number, since it is larger than the sum of its proper divisors (87700234).

149090306 is a wasteful number, since it uses less digits than its factorization.

149090306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385028.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 149090306 is about 12210.2541333094. The cubic root of 149090306 is about 530.2530013153.

The spelling of 149090306 in words is "one hundred forty-nine million, ninety thousand, three hundred six".