445535145 has 48 divisors (see below), whose sum is σ = 845208000. Its totient is φ = 215314560.

The previous prime is 445535141. The next prime is 445535147. The reversal of 445535145 is 541535544.

It is not a de Polignac number, because 445535145 - 2² = 445535141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445535141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171466 + ... + 174044.

It is an arithmetic number, because the mean of its divisors is an integer number (17608500).

Almost surely, 2^445535145 is an apocalyptic number.

445535145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

445535145 is a deficient number, since it is larger than the sum of its proper divisors (399672855).

445535145 is a wasteful number, since it uses less digits than its factorization.

445535145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950 (or 2947 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 445535145 is about 21107.7034515837. The cubic root of 445535145 is about 763.7665886252.

The spelling of 445535145 in words is "four hundred forty-five million, five hundred thirty-five thousand, one hundred forty-five".