349545375 has 160 divisors (see below), whose sum is σ = 724838400. Its totient is φ = 166795200.

The previous prime is 349545373. The next prime is 349545397. The reversal of 349545375 is 573545943.

349545375 is a `hidden beast` number, since 34 + 9 + 545 + 3 + 75 = 666.

It is not a de Polignac number, because 349545375 - 2¹ = 349545373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 349545375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349545373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4424586 + ... + 4424664.

It is an arithmetic number, because the mean of its divisors is an integer number (4530240).

Almost surely, 2^349545375 is an apocalyptic number.

349545375 is an abundant number, since it is smaller than the sum of its proper divisors (375293025).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349545375 is a wasteful number, since it uses less digits than its factorization.

349545375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 129 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 45.

The square root of 349545375 is about 18696.1326214808. The cubic root of 349545375 is about 704.4246097407.

The spelling of 349545375 in words is "three hundred forty-nine million, five hundred forty-five thousand, three hundred seventy-five".