345455401 has 4 divisors (see below), whose sum is σ = 346030804. Its totient is φ = 344880000.

The previous prime is 345455393. The next prime is 345455437. The reversal of 345455401 is 104554543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104554543 = 43 ⋅2431501.

It can be written as a sum of positive squares in 2 ways, for example, as 264095001 + 81360400 = 16251^2 + 9020^2 .

It is a cyclic number.

It is not a de Polignac number, because 345455401 - 2³ = 345455393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345455441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286800 + ... + 288001.

It is an arithmetic number, because the mean of its divisors is an integer number (86507701).

Almost surely, 2^345455401 is an apocalyptic number.

It is an amenable number.

345455401 is a deficient number, since it is larger than the sum of its proper divisors (575403).

345455401 is an equidigital number, since it uses as much as digits as its factorization.

345455401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575402.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 345455401 is about 18586.4305610303. The cubic root of 345455401 is about 701.6663708233. Note that the first 3 decimals are identical.

The spelling of 345455401 in words is "three hundred forty-five million, four hundred fifty-five thousand, four hundred one".