149408867 has 2 divisors, whose sum is σ = 149408868. Its totient is φ = 149408866.

The previous prime is 149408863. The next prime is 149408873. The reversal of 149408867 is 768804941.

It is a weak prime.

It is an emirp because it is prime and its reverse (768804941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149408867 - 2² = 149408863 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149408863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74704433 + 74704434.

It is an arithmetic number, because the mean of its divisors is an integer number (74704434).

Almost surely, 2^149408867 is an apocalyptic number.

149408867 is a deficient number, since it is larger than the sum of its proper divisors (1).

149408867 is an equidigital number, since it uses as much as digits as its factorization.

149408867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 149408867 is about 12223.2919870222. The cubic root of 149408867 is about 530.6303962080.

The spelling of 149408867 in words is "one hundred forty-nine million, four hundred eight thousand, eight hundred sixty-seven".