345056430 has 16 divisors (see below), whose sum is σ = 828135504. Its totient is φ = 92015040.

The previous prime is 345056417. The next prime is 345056449. The reversal of 345056430 is 34650543.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 11501881 = 345056430 / (3 + 4 + 5 + 0 + 5 + 6 + 4 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5750911 + ... + 5750970.

It is an arithmetic number, because the mean of its divisors is an integer number (51758469).

Almost surely, 2^345056430 is an apocalyptic number.

345056430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345056430 is an abundant number, since it is smaller than the sum of its proper divisors (483079074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345056430 is a wasteful number, since it uses less digits than its factorization.

345056430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11501891.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 345056430 is about 18575.6946034327. The cubic root of 345056430 is about 701.3961455182.

The spelling of 345056430 in words is "three hundred forty-five million, fifty-six thousand, four hundred thirty".