345620254 has 8 divisors (see below), whose sum is σ = 592491888. Its totient is φ = 148122960.

The previous prime is 345620239. The next prime is 345620263. The reversal of 345620254 is 452026543.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12343567 + ... + 12343594.

It is an arithmetic number, because the mean of its divisors is an integer number (74061486).

Almost surely, 2^345620254 is an apocalyptic number.

345620254 is a deficient number, since it is larger than the sum of its proper divisors (246871634).

345620254 is a wasteful number, since it uses less digits than its factorization.

345620254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24687170.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 345620254 is about 18590.8647996805. The cubic root of 345620254 is about 701.7779659439. Note that the first 3 decimals are identical.

Adding to 345620254 its reverse (452026543), we get a palindrome (797646797).

The spelling of 345620254 in words is "three hundred forty-five million, six hundred twenty thousand, two hundred fifty-four".