149049293 has 2 divisors, whose sum is σ = 149049294. Its totient is φ = 149049292.

The previous prime is 149049259. The next prime is 149049331. The reversal of 149049293 is 392940941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126742564 + 22306729 = 11258^2 + 4723^2 .

It is a cyclic number.

It is not a de Polignac number, because 149049293 - 2⁸ = 149049037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149049293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149049193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74524646 + 74524647.

It is an arithmetic number, because the mean of its divisors is an integer number (74524647).

Almost surely, 2^149049293 is an apocalyptic number.

It is an amenable number.

149049293 is a deficient number, since it is larger than the sum of its proper divisors (1).

149049293 is an equidigital number, since it uses as much as digits as its factorization.

149049293 is an odious number, because the sum of its binary digits is odd.

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

The square root of 149049293 is about 12208.5745687201. The cubic root of 149049293 is about 530.2043747226.

The spelling of 149049293 in words is "one hundred forty-nine million, forty-nine thousand, two hundred ninety-three".