7145665458 has 8 divisors (see below), whose sum is σ = 14291330928. Its totient is φ = 2381888484.

The previous prime is 7145665427. The next prime is 7145665459. The reversal of 7145665458 is 8545665417.

It is a happy number.

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

7145665458 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 7145665458.

It is not an unprimeable number, because it can be changed into a prime (7145665459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595472116 + ... + 595472127.

It is an arithmetic number, because the mean of its divisors is an integer number (1786416366).

Almost surely, 2^7145665458 is an apocalyptic number.

7145665458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7145665458 is a wasteful number, since it uses less digits than its factorization.

7145665458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190944248.

The product of its digits is 4032000, while the sum is 51.

The square root of 7145665458 is about 84532.0380565854. The cubic root of 7145665458 is about 1926.1091450803.

The spelling of 7145665458 in words is "seven billion, one hundred forty-five million, six hundred sixty-five thousand, four hundred fifty-eight".