149230651 has 2 divisors, whose sum is σ = 149230652. Its totient is φ = 149230650.

The previous prime is 149230649. The next prime is 149230673. The reversal of 149230651 is 156032941.

It is a weak prime.

It is an emirp because it is prime and its reverse (156032941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149230651 - 2¹ = 149230649 is a prime.

Together with 149230649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (149230691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74615325 + 74615326.

It is an arithmetic number, because the mean of its divisors is an integer number (74615326).

Almost surely, 2^149230651 is an apocalyptic number.

149230651 is a deficient number, since it is larger than the sum of its proper divisors (1).

149230651 is an equidigital number, since it uses as much as digits as its factorization.

149230651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 149230651 is about 12215.9997953504. Note that the first 3 decimals coincide. The cubic root of 149230651 is about 530.4193323144.

The spelling of 149230651 in words is "one hundred forty-nine million, two hundred thirty thousand, six hundred fifty-one".