373645243 has 4 divisors (see below), whose sum is σ = 374081080. Its totient is φ = 373209408.

The previous prime is 373645231. The next prime is 373645267. The reversal of 373645243 is 342546373.

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

It is a cyclic number.

It is not a de Polignac number, because 373645243 - 2⁵ = 373645211 is a prime.

It is a super-2 number, since 2×373645243² = 279221535233058098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373645213) 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, 216630 + ... + 218347.

It is an arithmetic number, because the mean of its divisors is an integer number (93520270).

Almost surely, 2^373645243 is an apocalyptic number.

373645243 is a deficient number, since it is larger than the sum of its proper divisors (435837).

373645243 is an equidigital number, since it uses as much as digits as its factorization.

373645243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435836.

The product of its digits is 181440, while the sum is 37.

The square root of 373645243 is about 19329.9054058730. The cubic root of 373645243 is about 720.2553383207.

The spelling of 373645243 in words is "three hundred seventy-three million, six hundred forty-five thousand, two hundred forty-three".