145768443 has 4 divisors (see below), whose sum is σ = 194357928. Its totient is φ = 97178960.

The previous prime is 145768429. The next prime is 145768451. The reversal of 145768443 is 344867541.

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 145768443 - 2⁹ = 145767931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145768395 and 145768404.

It is not an unprimeable number, because it can be changed into a prime (145768943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24294738 + ... + 24294743.

It is an arithmetic number, because the mean of its divisors is an integer number (48589482).

Almost surely, 2^145768443 is an apocalyptic number.

145768443 is a deficient number, since it is larger than the sum of its proper divisors (48589485).

145768443 is an equidigital number, since it uses as much as digits as its factorization.

145768443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48589484.

The product of its digits is 322560, while the sum is 42.

The square root of 145768443 is about 12073.4602745029. The cubic root of 145768443 is about 526.2852176167.

The spelling of 145768443 in words is "one hundred forty-five million, seven hundred sixty-eight thousand, four hundred forty-three".