345338149 has 6 divisors (see below), whose sum is σ = 373946226. Its totient is φ = 318773520.

The previous prime is 345338137. The next prime is 345338173. The reversal of 345338149 is 941833543.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 44315649 + 301022500 = 6657^2 + 17350^2 .

It is not a de Polignac number, because 345338149 - 2⁹ = 345337637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345338549) 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 in 5 ways as a sum of consecutive naturals, for example, 1021542 + ... + 1021879.

It is an arithmetic number, because the mean of its divisors is an integer number (62324371).

Almost surely, 2^345338149 is an apocalyptic number.

It is an amenable number.

345338149 is a deficient number, since it is larger than the sum of its proper divisors (28608077).

345338149 is a wasteful number, since it uses less digits than its factorization.

345338149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043447 (or 2043434 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 345338149 is about 18583.2760567129. The cubic root of 345338149 is about 701.5869769808.

The spelling of 345338149 in words is "three hundred forty-five million, three hundred thirty-eight thousand, one hundred forty-nine".