745226099 has 4 divisors (see below), whose sum is σ = 745289736. Its totient is φ = 745162464.

The previous prime is 745226089. The next prime is 745226117. The reversal of 745226099 is 990622547.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 990622547 = 241 ⋅4110467.

It is a cyclic number.

It is not a de Polignac number, because 745226099 - 2¹² = 745222003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745226089) 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 3 ways as a sum of consecutive naturals, for example, 8609 + ... + 39554.

It is an arithmetic number, because the mean of its divisors is an integer number (186322434).

Almost surely, 2^745226099 is an apocalyptic number.

745226099 is a deficient number, since it is larger than the sum of its proper divisors (63637).

745226099 is a wasteful number, since it uses less digits than its factorization.

745226099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63636.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 745226099 is about 27298.8296269272. The cubic root of 745226099 is about 906.6284687056.

The spelling of 745226099 in words is "seven hundred forty-five million, two hundred twenty-six thousand, ninety-nine".