145675573 has 4 divisors (see below), whose sum is σ = 145729420. Its totient is φ = 145621728.

The previous prime is 145675553. The next prime is 145675591. The reversal of 145675573 is 375576541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88021924 + 57653649 = 9382^2 + 7593^2 .

It is a cyclic number.

It is not a de Polignac number, because 145675573 - 2¹⁷ = 145544501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145675553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22638 + ... + 28351.

It is an arithmetic number, because the mean of its divisors is an integer number (36432355).

Almost surely, 2^145675573 is an apocalyptic number.

It is an amenable number.

145675573 is a deficient number, since it is larger than the sum of its proper divisors (53847).

145675573 is an equidigital number, since it uses as much as digits as its factorization.

145675573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53846.

The product of its digits is 441000, while the sum is 43.

The square root of 145675573 is about 12069.6136226476. The cubic root of 145675573 is about 526.1734273220.

The spelling of 145675573 in words is "one hundred forty-five million, six hundred seventy-five thousand, five hundred seventy-three".