345001401 has 6 divisors (see below), whose sum is σ = 498335370. Its totient is φ = 230000928.

The previous prime is 345001351. The next prime is 345001409. The reversal of 345001401 is 104100543.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 334012176 + 10989225 = 18276^2 + 3315^2 .

It is not a de Polignac number, because 345001401 - 2¹¹ = 344999353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345001409) 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 5 ways as a sum of consecutive naturals, for example, 19166736 + ... + 19166753.

It is an arithmetic number, because the mean of its divisors is an integer number (83055895).

Almost surely, 2^345001401 is an apocalyptic number.

It is an amenable number.

345001401 is a deficient number, since it is larger than the sum of its proper divisors (153333969).

345001401 is a wasteful number, since it uses less digits than its factorization.

345001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38333495 (or 38333492 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 345001401 is about 18574.2133346207. The cubic root of 345001401 is about 701.3588577230.

Adding to 345001401 its reverse (104100543), we get a palindrome (449101944).

The spelling of 345001401 in words is "three hundred forty-five million, one thousand, four hundred one".