345251794 has 4 divisors (see below), whose sum is σ = 517877694. Its totient is φ = 172625896.

The previous prime is 345251789. The next prime is 345251807. The reversal of 345251794 is 497152543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497152543 = 139 ⋅3576637.

It can be written as a sum of positive squares in only one way, i.e., 310288225 + 34963569 = 17615^2 + 5913^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86312947 + ... + 86312950.

Almost surely, 2^345251794 is an apocalyptic number.

345251794 is a deficient number, since it is larger than the sum of its proper divisors (172625900).

345251794 is a wasteful number, since it uses less digits than its factorization.

345251794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172625899.

The product of its digits is 151200, while the sum is 40.

The square root of 345251794 is about 18580.9524513680. The cubic root of 345251794 is about 701.5284926669.

The spelling of 345251794 in words is "three hundred forty-five million, two hundred fifty-one thousand, seven hundred ninety-four".