145565548 has 24 divisors (see below), whose sum is σ = 262169600. Its totient is φ = 70668288.

The previous prime is 145565527. The next prime is 145565557. The reversal of 145565548 is 845565541.

145565548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 113173 + ... + 114451.

Almost surely, 2^145565548 is an apocalyptic number.

It is an amenable number.

145565548 is a deficient number, since it is larger than the sum of its proper divisors (116604052).

145565548 is a wasteful number, since it uses less digits than its factorization.

145565548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2087 counting only the distinct ones).

The product of its digits is 480000, while the sum is 43.

The square root of 145565548 is about 12065.0548278903. The cubic root of 145565548 is about 526.0409255554.

The spelling of 145565548 in words is "one hundred forty-five million, five hundred sixty-five thousand, five hundred forty-eight".