149864099 has 12 divisors (see below), whose sum is σ = 190180728. Its totient is φ = 116776800.

The previous prime is 149864069. The next prime is 149864107. The reversal of 149864099 is 990468941.

It is a happy number.

It is not a de Polignac number, because 149864099 - 2²⁴ = 133086883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149864069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138482 + ... + 139559.

It is an arithmetic number, because the mean of its divisors is an integer number (15848394).

Almost surely, 2^149864099 is an apocalyptic number.

149864099 is a deficient number, since it is larger than the sum of its proper divisors (40316629).

149864099 is a wasteful number, since it uses less digits than its factorization.

149864099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278066 (or 278059 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 149864099 is about 12241.8993215922. The cubic root of 149864099 is about 531.1687734822.

The spelling of 149864099 in words is "one hundred forty-nine million, eight hundred sixty-four thousand, ninety-nine".