145601518 has 16 divisors (see below), whose sum is σ = 227098080. Its totient is φ = 69928096.

The previous prime is 145601501. The next prime is 145601581. The reversal of 145601518 is 815106541.

It is a self number, because there is not a number n which added to its sum of digits gives 145601518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055 + ... + 17797.

It is an arithmetic number, because the mean of its divisors is an integer number (14193630).

Almost surely, 2^145601518 is an apocalyptic number.

145601518 is a deficient number, since it is larger than the sum of its proper divisors (81496562).

145601518 is a wasteful number, since it uses less digits than its factorization.

145601518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12971.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 145601518 is about 12066.5454045472. The cubic root of 145601518 is about 526.0842511317.

The spelling of 145601518 in words is "one hundred forty-five million, six hundred one thousand, five hundred eighteen".