149848969 has 2 divisors, whose sum is σ = 149848970. Its totient is φ = 149848968.

The previous prime is 149848921. The next prime is 149848987. The reversal of 149848969 is 969848941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140114569 + 9734400 = 11837^2 + 3120^2 .

It is a cyclic number.

It is not a de Polignac number, because 149848969 - 2¹³ = 149840777 is a prime.

It is a super-2 number, since 2×149848969² = 44909427020725922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149848169) 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, 74924484 + 74924485.

It is an arithmetic number, because the mean of its divisors is an integer number (74924485).

Almost surely, 2^149848969 is an apocalyptic number.

It is an amenable number.

149848969 is a deficient number, since it is larger than the sum of its proper divisors (1).

149848969 is an equidigital number, since it uses as much as digits as its factorization.

149848969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 58.

The square root of 149848969 is about 12241.2813463297. The cubic root of 149848969 is about 531.1508976109.

The spelling of 149848969 in words is "one hundred forty-nine million, eight hundred forty-eight thousand, nine hundred sixty-nine".