715447145 has 8 divisors (see below), whose sum is σ = 981184704. Its totient is φ = 490592304.

The previous prime is 715447141. The next prime is 715447153. The reversal of 715447145 is 541744517.

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

It is a cyclic number.

It is not a de Polignac number, because 715447145 - 2² = 715447141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 715447099 and 715447108.

It is not an unprimeable number, because it can be changed into a prime (715447141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10220639 + ... + 10220708.

It is an arithmetic number, because the mean of its divisors is an integer number (122648088).

Almost surely, 2^715447145 is an apocalyptic number.

It is an amenable number.

715447145 is a deficient number, since it is larger than the sum of its proper divisors (265737559).

715447145 is a wasteful number, since it uses less digits than its factorization.

715447145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20441359.

The product of its digits is 78400, while the sum is 38.

The square root of 715447145 is about 26747.8437448704. The cubic root of 715447145 is about 894.3877693458.

The spelling of 715447145 in words is "seven hundred fifteen million, four hundred forty-seven thousand, one hundred forty-five".