345133407 has 8 divisors (see below), whose sum is σ = 460272384. Its totient is φ = 230041688.

The previous prime is 345133387. The next prime is 345133427. The reversal of 345133407 is 704331543.

It is an interprime number because it is at equal distance from previous prime (345133387) and next prime (345133427).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345133407 - 2¹⁹ = 344609119 is a prime.

It is a super-3 number, since 3×345133407³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345133427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12208 + ... + 28970.

It is an arithmetic number, because the mean of its divisors is an integer number (57534048).

Almost surely, 2^345133407 is an apocalyptic number.

345133407 is a deficient number, since it is larger than the sum of its proper divisors (115138977).

345133407 is a wasteful number, since it uses less digits than its factorization.

345133407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23629.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 345133407 is about 18577.7664696271. The cubic root of 345133407 is about 701.4482986850.

The spelling of 345133407 in words is "three hundred forty-five million, one hundred thirty-three thousand, four hundred seven".