343554149 has 2 divisors, whose sum is σ = 343554150. Its totient is φ = 343554148.

The previous prime is 343554119. The next prime is 343554179. The reversal of 343554149 is 941455343.

It is a balanced prime because it is at equal distance from previous prime (343554119) and next prime (343554179).

It can be written as a sum of positive squares in only one way, i.e., 305200900 + 38353249 = 17470^2 + 6193^2 .

It is a cyclic number.

It is not a de Polignac number, because 343554149 - 2⁸ = 343553893 is a prime.

It is a super-2 number, since 2×343554149² = 236058906590228402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343554119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171777074 + 171777075.

It is an arithmetic number, because the mean of its divisors is an integer number (171777075).

Almost surely, 2^343554149 is an apocalyptic number.

It is an amenable number.

343554149 is a deficient number, since it is larger than the sum of its proper divisors (1).

343554149 is an equidigital number, since it uses as much as digits as its factorization.

343554149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 343554149 is about 18535.2137565230. The cubic root of 343554149 is about 700.3767692795.

The spelling of 343554149 in words is "three hundred forty-three million, five hundred fifty-four thousand, one hundred forty-nine".