145545575 has 24 divisors (see below), whose sum is σ = 209102688. Its totient is φ = 98426880.

The previous prime is 145545509. The next prime is 145545581. The reversal of 145545575 is 575545541.

It is not a de Polignac number, because 145545575 - 2⁸ = 145545319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7079 + ... + 18471.

It is an arithmetic number, because the mean of its divisors is an integer number (8712612).

Almost surely, 2^145545575 is an apocalyptic number.

145545575 is a deficient number, since it is larger than the sum of its proper divisors (63557113).

145545575 is a wasteful number, since it uses less digits than its factorization.

145545575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11483 (or 11478 counting only the distinct ones).

The product of its digits is 350000, while the sum is 41.

The square root of 145545575 is about 12064.2270784332. The cubic root of 145545575 is about 526.0168651553.

The spelling of 145545575 in words is "one hundred forty-five million, five hundred forty-five thousand, five hundred seventy-five".