345051506 has 4 divisors (see below), whose sum is σ = 517577262. Its totient is φ = 172525752.

The previous prime is 345051491. The next prime is 345051517. The reversal of 345051506 is 605150543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 204747481 + 140304025 = 14309^2 + 11845^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86262875 + ... + 86262878.

Almost surely, 2^345051506 is an apocalyptic number.

345051506 is a deficient number, since it is larger than the sum of its proper divisors (172525756).

345051506 is a wasteful number, since it uses less digits than its factorization.

345051506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172525755.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 345051506 is about 18575.5620641745. The cubic root of 345051506 is about 701.3928091643.

The spelling of 345051506 in words is "three hundred forty-five million, fifty-one thousand, five hundred six".