145568518 has 16 divisors (see below), whose sum is σ = 241250400. Its totient is φ = 65524096.

The previous prime is 145568483. The next prime is 145568537. The reversal of 145568518 is 815865541.

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, 92293 + ... + 93856.

It is an arithmetic number, because the mean of its divisors is an integer number (15078150).

Almost surely, 2^145568518 is an apocalyptic number.

145568518 is a deficient number, since it is larger than the sum of its proper divisors (95681882).

145568518 is a wasteful number, since it uses less digits than its factorization.

145568518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186191.

The product of its digits is 192000, while the sum is 43.

The square root of 145568518 is about 12065.1779100020. The cubic root of 145568518 is about 526.0445031669.

The spelling of 145568518 in words is "one hundred forty-five million, five hundred sixty-eight thousand, five hundred eighteen".