434945451 has 16 divisors (see below), whose sum is σ = 603624960. Its totient is φ = 278238240.

The previous prime is 434945449. The next prime is 434945521. The reversal of 434945451 is 154549434.

It is not a de Polignac number, because 434945451 - 2¹ = 434945449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434945411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155 + ... + 29516.

It is an arithmetic number, because the mean of its divisors is an integer number (37726560).

Almost surely, 2^434945451 is an apocalyptic number.

434945451 is a deficient number, since it is larger than the sum of its proper divisors (168679509).

434945451 is a wasteful number, since it uses less digits than its factorization.

434945451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30866.

The product of its digits is 172800, while the sum is 39.

The square root of 434945451 is about 20855.3458614332. The cubic root of 434945451 is about 757.6668120469. Note that the first 3 decimals are identical.

It can be divided in two parts, 43 and 4945451, that added together give a palindrome (4945494).

The spelling of 434945451 in words is "four hundred thirty-four million, nine hundred forty-five thousand, four hundred fifty-one".