345423854 has 16 divisors (see below), whose sum is σ = 524183616. Its totient is φ = 170707200.

The previous prime is 345423847. The next prime is 345423889. The reversal of 345423854 is 458324543.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63419 + ... + 68649.

It is an arithmetic number, because the mean of its divisors is an integer number (32761476).

Almost surely, 2^345423854 is an apocalyptic number.

345423854 is a deficient number, since it is larger than the sum of its proper divisors (178759762).

345423854 is a wasteful number, since it uses less digits than its factorization.

345423854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611.

The product of its digits is 230400, while the sum is 38.

The square root of 345423854 is about 18585.5818848913. The cubic root of 345423854 is about 701.6450114401.

The spelling of 345423854 in words is "three hundred forty-five million, four hundred twenty-three thousand, eight hundred fifty-four".