7145559318 has 32 divisors (see below), whose sum is σ = 14350140000. Its totient is φ = 2372034816.

The previous prime is 7145559299. The next prime is 7145559331. The reversal of 7145559318 is 8139555417.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2194980 + ... + 2198232.

It is an arithmetic number, because the mean of its divisors is an integer number (448441875).

Almost surely, 2^7145559318 is an apocalyptic number.

7145559318 is an abundant number, since it is smaller than the sum of its proper divisors (7204580682).

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

7145559318 is a wasteful number, since it uses less digits than its factorization.

7145559318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its digits is 756000, while the sum is 48.

The square root of 7145559318 is about 84531.4102449498. The cubic root of 7145559318 is about 1926.0996083787.

The spelling of 7145559318 in words is "seven billion, one hundred forty-five million, five hundred fifty-nine thousand, three hundred eighteen".