345630054 has 64 divisors (see below), whose sum is σ = 864364032. Its totient is φ = 89510400.

The previous prime is 345630053. The next prime is 345630113. The reversal of 345630054 is 450036543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345630053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193614 + ... + 195390.

It is an arithmetic number, because the mean of its divisors is an integer number (13505688).

Almost surely, 2^345630054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345630054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432182016).

345630054 is an abundant number, since it is smaller than the sum of its proper divisors (518733978).

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

345630054 is a wasteful number, since it uses less digits than its factorization.

345630054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

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

The square root of 345630054 is about 18591.1283681223. The cubic root of 345630054 is about 701.7845988104.

Adding to 345630054 its reverse (450036543), we get a palindrome (795666597).

The spelling of 345630054 in words is "three hundred forty-five million, six hundred thirty thousand, fifty-four".