345000434 has 4 divisors (see below), whose sum is σ = 517500654. Its totient is φ = 172500216.

The previous prime is 345000433. The next prime is 345000451. The reversal of 345000434 is 434000543.

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: 434000543 = 61 ⋅7114763.

It can be written as a sum of positive squares in only one way, i.e., 307827025 + 37173409 = 17545^2 + 6097^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345000433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86250107 + ... + 86250110.

Almost surely, 2^345000434 is an apocalyptic number.

345000434 is a deficient number, since it is larger than the sum of its proper divisors (172500220).

345000434 is a wasteful number, since it uses less digits than its factorization.

345000434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172500219.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 345000434 is about 18574.1873038903. The cubic root of 345000434 is about 701.3582024458.

Adding to 345000434 its reverse (434000543), we get a palindrome (779000977).

The spelling of 345000434 in words is "three hundred forty-five million, four hundred thirty-four", and thus it is an aban number.