145591718 has 16 divisors (see below), whose sum is σ = 232470000. Its totient is φ = 68188032.

The previous prime is 145591709. The next prime is 145591729. The reversal of 145591718 is 817195541.

It is a happy number.

145591718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18143 + ... + 24906.

It is an arithmetic number, because the mean of its divisors is an integer number (14529375).

Almost surely, 2^145591718 is an apocalyptic number.

145591718 is a deficient number, since it is larger than the sum of its proper divisors (86878282).

145591718 is a wasteful number, since it uses less digits than its factorization.

145591718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43159.

The product of its digits is 50400, while the sum is 41.

The square root of 145591718 is about 12066.1393162851. The cubic root of 145591718 is about 526.0724478177.

The spelling of 145591718 in words is "one hundred forty-five million, five hundred ninety-one thousand, seven hundred eighteen".