354440345 has 16 divisors (see below), whose sum is σ = 511674240. Its totient is φ = 230252544.

The previous prime is 354440287. The next prime is 354440347. The reversal of 354440345 is 543044453.

It is a cyclic number.

It is not a de Polignac number, because 354440345 - 2¹⁰ = 354439321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (354440347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265832 + ... + 267161.

It is an arithmetic number, because the mean of its divisors is an integer number (31979640).

Almost surely, 2^354440345 is an apocalyptic number.

354440345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

354440345 is a deficient number, since it is larger than the sum of its proper divisors (157233895).

354440345 is a wasteful number, since it uses less digits than its factorization.

354440345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533024.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 354440345 is about 18826.5861217588. The cubic root of 354440345 is about 707.6975903479.

Adding to 354440345 its reverse (543044453), we get a palindrome (897484798).

The spelling of 354440345 in words is "three hundred fifty-four million, four hundred forty thousand, three hundred forty-five".