145682545 has 8 divisors (see below), whose sum is σ = 174891240. Its totient is φ = 116497920.

The previous prime is 145682507. The next prime is 145682561. The reversal of 145682545 is 545286541.

145682545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24770529 + 120912016 = 4977^2 + 10996^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145682545 - 2²⁵ = 112128113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145682498 and 145682507.

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, 12471 + ... + 21139.

It is an arithmetic number, because the mean of its divisors is an integer number (21861405).

Almost surely, 2^145682545 is an apocalyptic number.

It is an amenable number.

145682545 is a deficient number, since it is larger than the sum of its proper divisors (29208695).

145682545 is an equidigital number, since it uses as much as digits as its factorization.

145682545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12035.

The product of its digits is 192000, while the sum is 40.

The square root of 145682545 is about 12069.9024436820. The cubic root of 145682545 is about 526.1818213685.

The spelling of 145682545 in words is "one hundred forty-five million, six hundred eighty-two thousand, five hundred forty-five".