345005401 has 32 divisors (see below), whose sum is σ = 402554880. Its totient is φ = 293025600.

The previous prime is 345005393. The next prime is 345005483. The reversal of 345005401 is 104500543.

It is not a de Polignac number, because 345005401 - 2³ = 345005393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345005491) 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 31 ways as a sum of consecutive naturals, for example, 1806216 + ... + 1806406.

It is an arithmetic number, because the mean of its divisors is an integer number (12579840).

Almost surely, 2^345005401 is an apocalyptic number.

It is an amenable number.

345005401 is a deficient number, since it is larger than the sum of its proper divisors (57549479).

345005401 is a wasteful number, since it uses less digits than its factorization.

345005401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 345005401 is about 18574.3210104703. The cubic root of 345005401 is about 701.3615682672.

Adding to 345005401 its reverse (104500543), we get a palindrome (449505944).

The spelling of 345005401 in words is "three hundred forty-five million, five thousand, four hundred one".