149299223 has 2 divisors, whose sum is σ = 149299224. Its totient is φ = 149299222.

The previous prime is 149299201. The next prime is 149299231. The reversal of 149299223 is 322992941.

It is a strong prime.

It is an emirp because it is prime and its reverse (322992941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149299223 - 2¹² = 149295127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149299123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74649611 + 74649612.

It is an arithmetic number, because the mean of its divisors is an integer number (74649612).

Almost surely, 2^149299223 is an apocalyptic number.

149299223 is a deficient number, since it is larger than the sum of its proper divisors (1).

149299223 is an equidigital number, since it uses as much as digits as its factorization.

149299223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 149299223 is about 12218.8061200757. The cubic root of 149299223 is about 530.5005630460.

The spelling of 149299223 in words is "one hundred forty-nine million, two hundred ninety-nine thousand, two hundred twenty-three".