354146009 has 4 divisors (see below), whose sum is σ = 404738304. Its totient is φ = 303553716.

The previous prime is 354145993. The next prime is 354146017. The reversal of 354146009 is 900641453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900641453 = 17 ⋅52978909.

It is a cyclic number.

It is not a de Polignac number, because 354146009 - 2⁴ = 354145993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (354146029) 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 3 ways as a sum of consecutive naturals, for example, 25296137 + ... + 25296150.

It is an arithmetic number, because the mean of its divisors is an integer number (101184576).

Almost surely, 2^354146009 is an apocalyptic number.

It is an amenable number.

354146009 is a deficient number, since it is larger than the sum of its proper divisors (50592295).

354146009 is an equidigital number, since it uses as much as digits as its factorization.

354146009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50592294.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 354146009 is about 18818.7674676106. The cubic root of 354146009 is about 707.5016395888.

The spelling of 354146009 in words is "three hundred fifty-four million, one hundred forty-six thousand, nine".