149989214 has 4 divisors (see below), whose sum is σ = 224983824. Its totient is φ = 74994606.

The previous prime is 149989199. The next prime is 149989219. The reversal of 149989214 is 412989941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149989219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37497302 + ... + 37497305.

It is an arithmetic number, because the mean of its divisors is an integer number (56245956).

Almost surely, 2^149989214 is an apocalyptic number.

149989214 is a deficient number, since it is larger than the sum of its proper divisors (74994610).

149989214 is an equidigital number, since it uses as much as digits as its factorization.

149989214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74994609.

The product of its digits is 186624, while the sum is 47.

The square root of 149989214 is about 12247.0083693937. The cubic root of 149989214 is about 531.3165489135.

The spelling of 149989214 in words is "one hundred forty-nine million, nine hundred eighty-nine thousand, two hundred fourteen".