345447030 has 16 divisors (see below), whose sum is σ = 829072944. Its totient is φ = 92119200.

The previous prime is 345447029. The next prime is 345447031. The reversal of 345447030 is 30744543.

It is an interprime number because it is at equal distance from previous prime (345447029) and next prime (345447031).

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: 11514901 = 345447030 / (3 + 4 + 5 + 4 + 4 + 7 + 0 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345447031) 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, 5757421 + ... + 5757480.

It is an arithmetic number, because the mean of its divisors is an integer number (51817059).

Almost surely, 2^345447030 is an apocalyptic number.

345447030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345447030 is an abundant number, since it is smaller than the sum of its proper divisors (483625914).

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

345447030 is a wasteful number, since it uses less digits than its factorization.

345447030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11514911.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 345447030 is about 18586.2053684984. The cubic root of 345447030 is about 701.6607032353.

The spelling of 345447030 in words is "three hundred forty-five million, four hundred forty-seven thousand, thirty".