149893349 has 2 divisors, whose sum is σ = 149893350. Its totient is φ = 149893348.

The previous prime is 149893307. The next prime is 149893351. The reversal of 149893349 is 943398941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89908324 + 59985025 = 9482^2 + 7745^2 .

It is a cyclic number.

It is not a de Polignac number, because 149893349 - 2¹² = 149889253 is a prime.

It is a Sophie Germain prime.

Together with 149893351, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149893297 and 149893306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149893049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74946674 + 74946675.

It is an arithmetic number, because the mean of its divisors is an integer number (74946675).

Almost surely, 2^149893349 is an apocalyptic number.

It is an amenable number.

149893349 is a deficient number, since it is larger than the sum of its proper divisors (1).

149893349 is an equidigital number, since it uses as much as digits as its factorization.

149893349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The square root of 149893349 is about 12243.0939308657. The cubic root of 149893349 is about 531.2033285135.

The spelling of 149893349 in words is "one hundred forty-nine million, eight hundred ninety-three thousand, three hundred forty-nine".