149224099 has 4 divisors (see below), whose sum is σ = 150313464. Its totient is φ = 148134736.

The previous prime is 149224073. The next prime is 149224109. The reversal of 149224099 is 990422941.

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

It is a cyclic number.

It is not a de Polignac number, because 149224099 - 2¹³ = 149215907 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 (149224799) 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, 544477 + ... + 544750.

It is an arithmetic number, because the mean of its divisors is an integer number (37578366).

Almost surely, 2^149224099 is an apocalyptic number.

149224099 is a deficient number, since it is larger than the sum of its proper divisors (1089365).

149224099 is a wasteful number, since it uses less digits than its factorization.

149224099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089364.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 149224099 is about 12215.7316195142. The cubic root of 149224099 is about 530.4115694803.

The spelling of 149224099 in words is "one hundred forty-nine million, two hundred twenty-four thousand, ninety-nine".