149810199 has 24 divisors (see below), whose sum is σ = 253484928. Its totient is φ = 77822640.

The previous prime is 149810173. The next prime is 149810207. The reversal of 149810199 is 991018941.

It is a happy number.

It is not a de Polignac number, because 149810199 - 2¹³ = 149802007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149810199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149810599) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44707 + ... + 47940.

It is an arithmetic number, because the mean of its divisors is an integer number (10561872).

Almost surely, 2^149810199 is an apocalyptic number.

149810199 is a deficient number, since it is larger than the sum of its proper divisors (103674729).

149810199 is a wasteful number, since it uses less digits than its factorization.

149810199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92675 (or 92668 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 42.

The square root of 149810199 is about 12239.6976678348. The cubic root of 149810199 is about 531.1050859365.

The spelling of 149810199 in words is "one hundred forty-nine million, eight hundred ten thousand, one hundred ninety-nine".