149026099 has 4 divisors (see below), whose sum is σ = 154164960. Its totient is φ = 143887240.

The previous prime is 149026093. The next prime is 149026109. The reversal of 149026099 is 990620941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990620941 = 113 ⋅8766557.

It is a cyclic number.

It is not a de Polignac number, because 149026099 - 2⁵ = 149026067 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149026093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2569387 + ... + 2569444.

It is an arithmetic number, because the mean of its divisors is an integer number (38541240).

Almost surely, 2^149026099 is an apocalyptic number.

149026099 is a deficient number, since it is larger than the sum of its proper divisors (5138861).

149026099 is an equidigital number, since it uses as much as digits as its factorization.

149026099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138860.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 149026099 is about 12207.6246256182. The cubic root of 149026099 is about 530.1768710738.

The spelling of 149026099 in words is "one hundred forty-nine million, twenty-six thousand, ninety-nine".