149254297 has 2 divisors, whose sum is σ = 149254298. Its totient is φ = 149254296.

The previous prime is 149254279. The next prime is 149254327. The reversal of 149254297 is 792452941.

Together with previous prime (149254279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147768336 + 1485961 = 12156^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 149254297 - 2¹¹ = 149252249 is a prime.

It is not a weakly prime, because it can be changed into another prime (149254397) 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, 74627148 + 74627149.

It is an arithmetic number, because the mean of its divisors is an integer number (74627149).

Almost surely, 2^149254297 is an apocalyptic number.

It is an amenable number.

149254297 is a deficient number, since it is larger than the sum of its proper divisors (1).

149254297 is an equidigital number, since it uses as much as digits as its factorization.

149254297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 149254297 is about 12216.9675861074. The cubic root of 149254297 is about 530.4473462937.

The spelling of 149254297 in words is "one hundred forty-nine million, two hundred fifty-four thousand, two hundred ninety-seven".