149417293 has 2 divisors, whose sum is σ = 149417294. Its totient is φ = 149417292.

The previous prime is 149417291. The next prime is 149417297. The reversal of 149417293 is 392714941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81486729 + 67930564 = 9027^2 + 8242^2 .

It is a cyclic number.

It is not a de Polignac number, because 149417293 - 2¹ = 149417291 is a prime.

Together with 149417291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149417291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74708646 + 74708647.

It is an arithmetic number, because the mean of its divisors is an integer number (74708647).

Almost surely, 2^149417293 is an apocalyptic number.

It is an amenable number.

149417293 is a deficient number, since it is larger than the sum of its proper divisors (1).

149417293 is an equidigital number, since it uses as much as digits as its factorization.

149417293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 149417293 is about 12223.6366519952. The cubic root of 149417293 is about 530.6403710905.

The spelling of 149417293 in words is "one hundred forty-nine million, four hundred seventeen thousand, two hundred ninety-three".