345645130 has 8 divisors (see below), whose sum is σ = 622161252. Its totient is φ = 138258048.

The previous prime is 345645121. The next prime is 345645149. The reversal of 345645130 is 31546543.

It can be written as a sum of positive squares in 2 ways, for example, as 344139601 + 1505529 = 18551^2 + 1227^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 345645092 and 345645101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17282247 + ... + 17282266.

Almost surely, 2^345645130 is an apocalyptic number.

345645130 is a deficient number, since it is larger than the sum of its proper divisors (276516122).

345645130 is a wasteful number, since it uses less digits than its factorization.

345645130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34564520.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 345645130 is about 18591.5338259112. The cubic root of 345645130 is about 701.7948023509.

The spelling of 345645130 in words is "three hundred forty-five million, six hundred forty-five thousand, one hundred thirty".