149369199 has 24 divisors (see below), whose sum is σ = 241752960. Its totient is φ = 81640944.

The previous prime is 149369189. The next prime is 149369249. The reversal of 149369199 is 991963941.

It is not a de Polignac number, because 149369199 - 2⁴ = 149369183 is a prime.

It is a super-2 number, since 2×149369199² = 44622315219803202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149369119) 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, 18709 + ... + 25470.

It is an arithmetic number, because the mean of its divisors is an integer number (10073040).

Almost surely, 2^149369199 is an apocalyptic number.

149369199 is a deficient number, since it is larger than the sum of its proper divisors (92383761).

149369199 is a wasteful number, since it uses less digits than its factorization.

149369199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44219 (or 44212 counting only the distinct ones).

The product of its digits is 472392, while the sum is 51.

The square root of 149369199 is about 12221.6692395106. The cubic root of 149369199 is about 530.5834313254.

The spelling of 149369199 in words is "one hundred forty-nine million, three hundred sixty-nine thousand, one hundred ninety-nine".