145205373 has 4 divisors (see below), whose sum is σ = 193607168. Its totient is φ = 96803580.

The previous prime is 145205363. The next prime is 145205413. The reversal of 145205373 is 373502541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145205373 - 2⁶ = 145205309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145205373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145205303) 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, 24200893 + ... + 24200898.

It is an arithmetic number, because the mean of its divisors is an integer number (48401792).

Almost surely, 2^145205373 is an apocalyptic number.

It is an amenable number.

145205373 is a deficient number, since it is larger than the sum of its proper divisors (48401795).

145205373 is an equidigital number, since it uses as much as digits as its factorization.

145205373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48401794.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 145205373 is about 12050.1192110286. The cubic root of 145205373 is about 525.6067035962.

The spelling of 145205373 in words is "one hundred forty-five million, two hundred five thousand, three hundred seventy-three".