149999194 has 32 divisors (see below), whose sum is σ = 248346000. Its totient is φ = 67630080.

The previous prime is 149999191. The next prime is 149999207. The reversal of 149999194 is 491999941.

149999194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 72471169 + 77528025 = 8513^2 + 8805^2 .

It is not an unprimeable number, because it can be changed into a prime (149999191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146404 + ... + 147424.

Almost surely, 2^149999194 is an apocalyptic number.

149999194 is a deficient number, since it is larger than the sum of its proper divisors (98346806).

149999194 is a wasteful number, since it uses less digits than its factorization.

149999194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218.

The product of its digits is 944784, while the sum is 55.

The square root of 149999194 is about 12247.4158090595. The cubic root of 149999194 is about 531.3283329198.

The spelling of 149999194 in words is "one hundred forty-nine million, nine hundred ninety-nine thousand, one hundred ninety-four".