345515451 has 8 divisors (see below), whose sum is σ = 460843344. Its totient is φ = 230265600.

The previous prime is 345515447. The next prime is 345515459. The reversal of 345515451 is 154515543.

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

It is not a de Polignac number, because 345515451 - 2² = 345515447 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (345515459) 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, 8250 + ... + 27551.

It is an arithmetic number, because the mean of its divisors is an integer number (57605418).

Almost surely, 2^345515451 is an apocalyptic number.

345515451 is a deficient number, since it is larger than the sum of its proper divisors (115327893).

345515451 is a wasteful number, since it uses less digits than its factorization.

345515451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39021.

The product of its digits is 30000, while the sum is 33.

The square root of 345515451 is about 18588.0459166638. The cubic root of 345515451 is about 701.7070250093.

The spelling of 345515451 in words is "three hundred forty-five million, five hundred fifteen thousand, four hundred fifty-one".