149434349 has 2 divisors, whose sum is σ = 149434350. Its totient is φ = 149434348.

The previous prime is 149434343. The next prime is 149434367. The reversal of 149434349 is 943434941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131836324 + 17598025 = 11482^2 + 4195^2 .

It is a cyclic number.

It is not a de Polignac number, because 149434349 - 2⁸ = 149434093 is a prime.

It is a super-2 number, since 2×149434349² = 44661249322107602, which contains 22 as substring.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149434343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74717174 + 74717175.

It is an arithmetic number, because the mean of its divisors is an integer number (74717175).

Almost surely, 2^149434349 is an apocalyptic number.

It is an amenable number.

149434349 is a deficient number, since it is larger than the sum of its proper divisors (1).

149434349 is an equidigital number, since it uses as much as digits as its factorization.

149434349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 149434349 is about 12224.3342968032. The cubic root of 149434349 is about 530.6605612073.

The spelling of 149434349 in words is "one hundred forty-nine million, four hundred thirty-four thousand, three hundred forty-nine".