149994386 has 4 divisors (see below), whose sum is σ = 224991582. Its totient is φ = 74997192.

The previous prime is 149994373. The next prime is 149994391. The reversal of 149994386 is 683499941.

149994386 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 only one way, i.e., 85914361 + 64080025 = 9269^2 + 8005^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37498595 + ... + 37498598.

Almost surely, 2^149994386 is an apocalyptic number.

149994386 is a deficient number, since it is larger than the sum of its proper divisors (74997196).

149994386 is an equidigital number, since it uses as much as digits as its factorization.

149994386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74997195.

The product of its digits is 1679616, while the sum is 53.

The square root of 149994386 is about 12247.2195211811. The cubic root of 149994386 is about 531.3226558806.

The spelling of 149994386 in words is "one hundred forty-nine million, nine hundred ninety-four thousand, three hundred eighty-six".