345653130 has 64 divisors (see below), whose sum is σ = 875548800. Its totient is φ = 87091200.

The previous prime is 345653123. The next prime is 345653153. The reversal of 345653130 is 31356543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342066 + ... + 343074.

It is an arithmetic number, because the mean of its divisors is an integer number (13680450).

Almost surely, 2^345653130 is an apocalyptic number.

345653130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345653130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437774400).

345653130 is an abundant number, since it is smaller than the sum of its proper divisors (529895670).

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

345653130 is a wasteful number, since it uses less digits than its factorization.

345653130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 345653130 is about 18591.7489763605. The cubic root of 345653130 is about 701.8002166855.

The spelling of 345653130 in words is "three hundred forty-five million, six hundred fifty-three thousand, one hundred thirty".