745454434 has 8 divisors (see below), whose sum is σ = 1139279580. Its totient is φ = 365694576.

The previous prime is 745454431. The next prime is 745454459. The reversal of 745454434 is 434454547.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 745453809 + 625 = 27303^2 + 25^2 .

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

It is not an unprimeable number, because it can be changed into a prime (745454431) by changing a digit.

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, 3516189 + ... + 3516400.

Almost surely, 2^745454434 is an apocalyptic number.

745454434 is a deficient number, since it is larger than the sum of its proper divisors (393825146).

745454434 is a wasteful number, since it uses less digits than its factorization.

745454434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032644.

The product of its digits is 537600, while the sum is 40.

The square root of 745454434 is about 27303.0114456263. The cubic root of 745454434 is about 906.7210553145.

The spelling of 745454434 in words is "seven hundred forty-five million, four hundred fifty-four thousand, four hundred thirty-four".