716430145 has 4 divisors (see below), whose sum is σ = 859716180. Its totient is φ = 573144112.

The previous prime is 716430107. The next prime is 716430157. The reversal of 716430145 is 541034617.

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

It can be written as a sum of positive squares in 2 ways, for example, as 131951169 + 584478976 = 11487^2 + 24176^2 .

It is a cyclic number.

It is not a de Polignac number, because 716430145 - 2⁹ = 716429633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71643010 + ... + 71643019.

It is an arithmetic number, because the mean of its divisors is an integer number (214929045).

Almost surely, 2^716430145 is an apocalyptic number.

It is an amenable number.

716430145 is a deficient number, since it is larger than the sum of its proper divisors (143286035).

716430145 is a wasteful number, since it uses less digits than its factorization.

716430145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143286034.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 716430145 is about 26766.2127504061. The cubic root of 716430145 is about 894.7972013281.

The spelling of 716430145 in words is "seven hundred sixteen million, four hundred thirty thousand, one hundred forty-five".